| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2006-08-13 05:47:24 UTC |
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| Update Date | 2023-02-21 17:16:50 UTC |
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| HMDB ID | HMDB0003843 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Gamma-Caprolactone |
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| Description | Gamma-Caprolactone, also known as 4-ethyl-4-butanolide or 4-hexanolide, belongs to the class of organic compounds known as gamma butyrolactones. Gamma butyrolactones are compounds containing a gamma butyrolactone moiety, which consists of an aliphatic five-member ring with four carbon atoms, one oxygen atom, and bears a ketone group on the carbon adjacent to the oxygen atom. Thus, Gamma-caprolactone is considered to be a fatty ester lipid molecule. Gamma-Caprolactone is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Gamma-Caprolactone exists in all eukaryotes, ranging from yeast to humans. Outside of the human body, Gamma-caprolactone has been detected, but not quantified in several different foods, such as potato, cereals and cereal products, pomes, alcoholic beverages, and fruits. It is occasionally found as a volatile component of human urine. In some cases differences up to an order of magnitude are observed. It has been also found in the polar fraction of human blood. |
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| Structure | InChI=1S/C6H10O2/c1-2-5-3-4-6(7)8-5/h5H,2-4H2,1H3 |
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| Synonyms | | Value | Source |
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| 4-Ethyl-4-butanolide | ChEBI | | 4-Hexanolide | ChEBI | | 4-Hydroxyhexanoic acid lactone | ChEBI | | 5-Ethyltetrahydro-2-furanone | ChEBI | | 6-Caprolactone | ChEBI | | Dihydro-5-ethyl-2(3H)-furanone | ChEBI | | gamma-Ethyl-N-butyrolactone | ChEBI | | gamma-Ethylbutyrolactone | ChEBI | | gamma-Hexanolactone | ChEBI | | 4-Hydroxyhexanoate lactone | Generator | | g-Ethyl-N-butyrolactone | Generator | | Γ-ethyl-N-butyrolactone | Generator | | g-Ethylbutyrolactone | Generator | | Γ-ethylbutyrolactone | Generator | | g-Hexanolactone | Generator | | Γ-hexanolactone | Generator | | g-Caprolactone | Generator | | Γ-caprolactone | Generator | | 4-Ethylbutanolide (gamma-hexalactone) | HMDB | | 4-Hydroxy-hexanoate | HMDB | | 4-Hydroxy-hexanoic acid | HMDB | | 4-Hydroxy-hexanoic acid gamma-lactone | HMDB | | 4-Hydroxy-hexanoic acid lactone | HMDB | | 4-Hydroxyhexanoate | HMDB | | 4-Hydroxyhexanoic acid | HMDB | | 5-Ethyldihydro-2(3H)-furanone | HMDB | | 5-Ethyldihydrofuran-2(3H)-one | HMDB | | gamma-Ethyl-gamma-butyrolactone | HMDB | | gamma-Hexalactone | HMDB | | Hexa-4-olide | HMDB | | Hexanolide-1,4 | HMDB | | Tonkalide | HMDB | | Toukalide | HMDB |
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| Chemical Formula | C6H10O2 |
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| Average Molecular Weight | 114.1424 |
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| Monoisotopic Molecular Weight | 114.068079564 |
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| IUPAC Name | 5-ethyloxolan-2-one |
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| Traditional Name | gamma-hexalactone |
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| CAS Registry Number | 695-06-7 |
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| SMILES | CCC1CCC(=O)O1 |
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| InChI Identifier | InChI=1S/C6H10O2/c1-2-5-3-4-6(7)8-5/h5H,2-4H2,1H3 |
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| InChI Key | JBFHTYHTHYHCDJ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as gamma butyrolactones. Gamma butyrolactones are compounds containing a gamma butyrolactone moiety, which consists of an aliphatic five-member ring with four carbon atoms, one oxygen atom, and bears a ketone group on the carbon adjacent to the oxygen atom. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Lactones |
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| Sub Class | Gamma butyrolactones |
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| Direct Parent | Gamma butyrolactones |
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| Alternative Parents | |
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| Substituents | - Gamma butyrolactone
- Tetrahydrofuran
- Carboxylic acid ester
- Oxacycle
- Monocarboxylic acid or derivatives
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic heteromonocyclic compound
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| Molecular Framework | Aliphatic heteromonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | |
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| Disposition | |
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| Process | Not Available |
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| Role | |
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| Physical Properties |
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| State | Liquid |
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| Experimental Molecular Properties | |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 3.11 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 12.8769 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.76 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1740.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 454.4 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 169.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 308.8 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 250.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 485.6 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 562.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 101.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1037.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 357.1 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1160.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 345.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 339.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 511.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 444.6 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 91.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental GC-MS | GC-MS Spectrum - Gamma-Caprolactone EI-B (Non-derivatized) | splash10-0570-9000000000-33d7bffec7b90b244b58 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Gamma-Caprolactone EI-B (Non-derivatized) | splash10-0570-9000000000-44158ddc3fb5887db72f | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Gamma-Caprolactone EI-B (Non-derivatized) | splash10-002r-9000000000-043fff98e80d69a0aef2 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Gamma-Caprolactone EI-B (Non-derivatized) | splash10-0570-9000000000-33d7bffec7b90b244b58 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Gamma-Caprolactone EI-B (Non-derivatized) | splash10-0570-9000000000-44158ddc3fb5887db72f | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Gamma-Caprolactone EI-B (Non-derivatized) | splash10-002r-9000000000-043fff98e80d69a0aef2 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Gamma-Caprolactone GC-MS (Non-derivatized) - 70eV, Positive | splash10-054o-9000000000-cab1026e3eff252b355a | 2016-09-22 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Gamma-Caprolactone GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone Quattro_QQQ 10V, Positive-QTOF (Annotated) | splash10-03di-9400000000-8fc4e90e7c0513f35b2b | 2012-07-25 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone Quattro_QQQ 25V, Positive-QTOF (Annotated) | splash10-052f-9000000000-264ec24375d9874e27c6 | 2012-07-25 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone Quattro_QQQ 40V, Positive-QTOF (Annotated) | splash10-0006-9000000000-775242b739802c329cee | 2012-07-25 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone EI-B (Unknown) , Positive-QTOF | splash10-0570-9000000000-33d7bffec7b90b244b58 | 2012-08-31 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone EI-B (HITACHI M-60) , Positive-QTOF | splash10-0570-9000000000-106225f6b2045cabc0f2 | 2012-08-31 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone EI-B (HITACHI M-80B) , Positive-QTOF | splash10-002r-9000000000-c2681c456564a462e5bc | 2012-08-31 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone 10V, Positive-QTOF | splash10-014i-9000000000-262d2422966b80201c0d | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone 40V, Positive-QTOF | splash10-0006-9000000000-23a8252127edf957f937 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Gamma-Caprolactone 20V, Positive-QTOF | splash10-00kf-9000000000-f6b5e0030b789716f778 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 10V, Positive-QTOF | splash10-014i-5900000000-6a7b9f7c95a7bbd6d545 | 2016-09-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 20V, Positive-QTOF | splash10-014i-9300000000-c2191b168940bbcbfcff | 2016-09-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 40V, Positive-QTOF | splash10-0pbc-9000000000-2ca0f454e2ac7dd3126f | 2016-09-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 10V, Negative-QTOF | splash10-03di-3900000000-493fdb9ba4ad5c9105fc | 2016-09-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 20V, Negative-QTOF | splash10-03xr-9600000000-6600fa8b57b7c1f87013 | 2016-09-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 40V, Negative-QTOF | splash10-0006-9000000000-414e486262314b7d9f34 | 2016-09-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 10V, Negative-QTOF | splash10-03k9-9500000000-d90d57e21b78e509a53d | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 20V, Negative-QTOF | splash10-08fr-9400000000-d4634fc480832e319c94 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 40V, Negative-QTOF | splash10-052f-9000000000-ef10ab91c5fd551591e2 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 10V, Positive-QTOF | splash10-014i-9200000000-ed4da47d3cda0847caf6 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 20V, Positive-QTOF | splash10-00kf-9000000000-f3b9cd693e882a088770 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Gamma-Caprolactone 40V, Positive-QTOF | splash10-052f-9000000000-fb0fd013f40b60315617 | 2021-09-23 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | | Experimental 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | 2012-12-05 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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