| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2017-09-09 03:24:10 UTC |
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| Update Date | 2022-11-30 19:26:01 UTC |
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| HMDB ID | HMDB0115031 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) |
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| Description | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) is a phosphatidic acid. It is a glycerophospholipid in which a phosphate moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidic acids can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)), in particular, consists of one chain of stearidonic acid at the C-1 position and one chain of palmitoleic acid at the C-2 position. Phosphatidic acids are quite rare but are extremely important as intermediates in the biosynthesis of triacylglycerols and phospholipids. |
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| Structure | [H][C@@](COC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCC\C=C/CCCCCC InChI=1S/C37H63O8P/c1-3-5-7-9-11-13-15-17-18-20-21-23-25-27-29-31-36(38)43-33-35(34-44-46(40,41)42)45-37(39)32-30-28-26-24-22-19-16-14-12-10-8-6-4-2/h5,7,11,13-14,16-18,21,23,35H,3-4,6,8-10,12,15,19-20,22,24-34H2,1-2H3,(H2,40,41,42)/b7-5-,13-11-,16-14-,18-17-,23-21-/t35-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Stearidonoyl-2-palmitoleoyl-sn-glycero-3-phosphate | HMDB | | 1-Stearidonoyl-2-palmitoleoyl-sn-phosphatidic acid | HMDB | | PA(18:4/16:1) | HMDB | | PA(18:4N3/16:1N7) | HMDB | | PA(18:4W3/16:1W7) | HMDB | | PA(34:5) | HMDB | | Phosphatidic acid(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) | HMDB | | Phosphatidic acid(18:4/16:1) | HMDB | | Phosphatidic acid(18:4n3/16:1n7) | HMDB | | Phosphatidic acid(18:4W3/16:1W7) | HMDB | | Phosphatidic acid(34:5) | HMDB | | Phosphatidate(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) | HMDB | | Phosphatidate(18:4/16:1) | HMDB | | Phosphatidate(18:4N3/16:1N7) | HMDB | | Phosphatidate(18:4W3/16:1W7) | HMDB | | Phosphatidate(34:5) | HMDB | | 1-stearidonoyl-2-palmitoleoyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-stearidonoyl-2-palmitoleoyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(18:4/16:1) | SMPDB, HMDB | | PA(18:4n3/16:1n7) | SMPDB, HMDB | | PA(18:4w3/16:1w7) | SMPDB, HMDB | | PA(34:5) | SMPDB, HMDB | | Phosphatidic acid(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) | SMPDB, HMDB | | Phosphatidic acid(18:4/16:1) | SMPDB, HMDB | | Phosphatidic acid(18:4n3/16:1n7) | SMPDB, HMDB | | Phosphatidic acid(18:4w3/16:1w7) | SMPDB, HMDB | | Phosphatidic acid(34:5) | SMPDB, HMDB | | Phosphatidate(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) | SMPDB, HMDB | | Phosphatidate(18:4/16:1) | SMPDB, HMDB | | Phosphatidate(18:4n3/16:1n7) | SMPDB, HMDB | | Phosphatidate(18:4w3/16:1w7) | SMPDB, HMDB | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) | SMPDB |
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| Chemical Formula | C37H63O8P |
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| Average Molecular Weight | 666.877 |
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| Monoisotopic Molecular Weight | 666.426055987 |
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| IUPAC Name | [(2R)-2-[(9Z)-hexadec-9-enoyloxy]-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-[(9Z)-hexadec-9-enoyloxy]-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCC\C=C/CCCCCC |
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| InChI Identifier | InChI=1S/C37H63O8P/c1-3-5-7-9-11-13-15-17-18-20-21-23-25-27-29-31-36(38)43-33-35(34-44-46(40,41)42)45-37(39)32-30-28-26-24-22-19-16-14-12-10-8-6-4-2/h5,7,11,13-14,16-18,21,23,35H,3-4,6,8-10,12,15,19-20,22,24-34H2,1-2H3,(H2,40,41,42)/b7-5-,13-11-,16-14-,18-17-,23-21-/t35-/m1/s1 |
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| InChI Key | ZKBQYMQQEAQCJI-VYPUJJCVSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 1,2-diacylglycerol-3-phosphates. These are glycerol-3-phosphates in which the glycerol moiety is bonded to two aliphatic chains through ester linkages. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Glycerophospholipids |
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| Sub Class | Glycerophosphates |
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| Direct Parent | 1,2-diacylglycerol-3-phosphates |
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| Alternative Parents | |
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| Substituents | - 1,2-diacylglycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Dicarboxylic acid or derivatives
- Fatty acyl
- Alkyl phosphate
- Phosphoric acid ester
- Organic phosphoric acid derivative
- Carboxylic acid ester
- Carboxylic acid derivative
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Organooxygen compound
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0025808)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0025809)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0025810)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025811)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025812)
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| Role | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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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. | 6.78 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 30.964 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.89 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4752.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 375.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 299.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 259.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1050.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1689.3 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 | 1001.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 217.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3185.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1116.6 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 | 2543.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1195.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 672.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 325.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 734.0 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 | 10.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4749.3 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4196.3 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 5214.2 | Standard polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4719.1 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4164.8 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4501.5 | Standard polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4961.7 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4315.7 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 5212.9 | Standard polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),2TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 5139.4 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),2TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4336.2 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)),2TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCC | 4597.9 | Standard polar | 33892256 |
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| MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 10V, Positive-QTOF | splash10-0671-1192314000-c2357ece3e47e364f47e | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 20V, Positive-QTOF | splash10-05mt-2292111000-da88161dadeb813087b8 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 40V, Positive-QTOF | splash10-067j-1394010000-143ae317c4f9515b108b | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 10V, Negative-QTOF | splash10-056r-3090202000-c2835a3c32c8d4893282 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 20V, Negative-QTOF | splash10-004i-9060000000-96338b5fde556fa40a20 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 40V, Negative-QTOF | splash10-004i-9000000000-57e5bfec4a387861d7d1 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 10V, Negative-QTOF | splash10-014i-0000009000-2edc3a7c48ccb205e548 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 20V, Negative-QTOF | splash10-0hki-1194906000-5fb2ce7c151399c5980e | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 40V, Negative-QTOF | splash10-0fb9-0090200000-4144b0a12bc1a8434740 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 10V, Positive-QTOF | splash10-00kb-0000009000-02c05d9c2a52b14a6ef3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 20V, Positive-QTOF | splash10-014i-0000059000-82a367c9f91dbbecfff3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 40V, Positive-QTOF | splash10-02tc-0006693000-c7b2bbb625951d4fd80e | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 10V, Positive-QTOF | splash10-000i-0000009000-f06a00f9d6528b43ebc1 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 20V, Positive-QTOF | splash10-000o-0000099000-cd5f74205bfa7b9907c8 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/16:1(9Z)) 40V, Positive-QTOF | splash10-000i-0000923000-f8d1a5b04ef0d60a207b | 2021-09-25 | Wishart Lab | View Spectrum |
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| Pathways | |
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