| 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 03:54:59 UTC |
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| Update Date | 2022-11-30 19:26:06 UTC |
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| HMDB ID | HMDB0115208 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) |
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| Description | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 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(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)), in particular, consists of one chain of eicosapentaenoic acid at the C-1 position and one chain of stearidonic 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)CCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC InChI=1S/C41H63O8P/c1-3-5-7-9-11-13-15-17-19-20-22-23-25-27-29-31-33-35-40(42)47-37-39(38-48-50(44,45)46)49-41(43)36-34-32-30-28-26-24-21-18-16-14-12-10-8-6-4-2/h5-8,11-14,17-19,21-23,26-29,39H,3-4,9-10,15-16,20,24-25,30-38H2,1-2H3,(H2,44,45,46)/b7-5-,8-6-,13-11-,14-12-,19-17-,21-18-,23-22-,28-26-,29-27-/t39-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Eicosapentaenoyl-2-stearidonoyl-sn-glycero-3-phosphate | HMDB | | 1-Eicosapentaenoyl-2-stearidonoyl-sn-phosphatidic acid | HMDB | | PA(20:5/18:4) | HMDB | | PA(20:5N3/18:4N3) | HMDB | | PA(20:5W3/18:4W3) | HMDB | | PA(38:9) | HMDB | | Phosphatidic acid(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | HMDB | | Phosphatidic acid(20:5/18:4) | HMDB | | Phosphatidic acid(20:5n3/18:4n3) | HMDB | | Phosphatidic acid(20:5W3/18:4W3) | HMDB | | Phosphatidic acid(38:9) | HMDB | | Phosphatidate(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | HMDB | | Phosphatidate(20:5/18:4) | HMDB | | Phosphatidate(20:5N3/18:4N3) | HMDB | | Phosphatidate(20:5W3/18:4W3) | HMDB | | Phosphatidate(38:9) | HMDB | | 1-eicosapentaenoyl-2-stearidonoyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-eicosapentaenoyl-2-stearidonoyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(20:5/18:4) | SMPDB, HMDB | | PA(20:5n3/18:4n3) | SMPDB, HMDB | | PA(20:5w3/18:4w3) | SMPDB, HMDB | | PA(38:9) | SMPDB, HMDB | | Phosphatidic acid(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | SMPDB, HMDB | | Phosphatidic acid(20:5/18:4) | SMPDB, HMDB | | Phosphatidic acid(20:5n3/18:4n3) | SMPDB, HMDB | | Phosphatidic acid(20:5w3/18:4w3) | SMPDB, HMDB | | Phosphatidic acid(38:9) | SMPDB, HMDB | | Phosphatidate(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | SMPDB, HMDB | | Phosphatidate(20:5/18:4) | SMPDB, HMDB | | Phosphatidate(20:5n3/18:4n3) | SMPDB, HMDB | | Phosphatidate(20:5w3/18:4w3) | SMPDB, HMDB | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | SMPDB |
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| Chemical Formula | C41H63O8P |
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| Average Molecular Weight | 714.921 |
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| Monoisotopic Molecular Weight | 714.426055987 |
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| IUPAC Name | [(2R)-3-[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyloxy]-2-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyloxy]-2-[(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)CCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC |
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| InChI Identifier | InChI=1S/C41H63O8P/c1-3-5-7-9-11-13-15-17-19-20-22-23-25-27-29-31-33-35-40(42)47-37-39(38-48-50(44,45)46)49-41(43)36-34-32-30-28-26-24-21-18-16-14-12-10-8-6-4-2/h5-8,11-14,17-19,21-23,26-29,39H,3-4,9-10,15-16,20,24-25,30-38H2,1-2H3,(H2,44,45,46)/b7-5-,8-6-,13-11-,14-12-,19-17-,21-18-,23-22-,28-26-,29-27-/t39-/m1/s1 |
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| InChI Key | CUOHQKVAALRYAU-KPXMIDAKSA-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(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0026068)
- De Novo Triacylglycerol Biosynthesis TG(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0026069)
- De Novo Triacylglycerol Biosynthesis TG(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0026070)
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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. | 3.44 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 35.4655 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.92 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5197.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 467.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 305.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 366.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1127.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1940.8 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 | 933.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 173.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3572.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1342.5 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 | 2749.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1359.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 767.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 313.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 773.1 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 | 11.7 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized| Metabolite | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | [H][C@@](COC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC | 5844.1 | Standard polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | [H][C@@](COC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC | 4442.3 | Standard non polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) | [H][C@@](COC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC | 5135.7 | Semi standard non polar | 33892256 |
Derivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 5198.0 | Semi standard non polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 4573.9 | Standard non polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 4845.3 | Standard polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 5125.9 | Semi standard non polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 4543.9 | Standard non polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 4302.0 | Standard polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 5411.7 | Semi standard non polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 4705.6 | Standard non polar | 33892256 | | PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCC/C=C\C/C=C\C/C=C\C/C=C\CC | 4887.7 | 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(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 10V, Positive-QTOF | splash10-05n0-1092503200-a5e52995614086ca5f11 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 20V, Positive-QTOF | splash10-052v-2192212000-358d5c5f0542afacea9c | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 40V, Positive-QTOF | splash10-0a4l-1196023000-cf15b051e3f36cf7c325 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 10V, Negative-QTOF | splash10-0fc0-4094400300-868a498e7f1aa2304a9f | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 20V, Negative-QTOF | splash10-004i-9032000000-bae58e28b17ce4033754 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 40V, Negative-QTOF | splash10-004i-9000000000-ee830ae29aae1d0a01b1 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 10V, Negative-QTOF | splash10-03di-0000000900-ff5e9ded697051e6038f | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 20V, Negative-QTOF | splash10-0imr-0033900400-1e16f70d6fd84b43f31a | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 40V, Negative-QTOF | splash10-0ufr-1169600100-7d050c78b9133a6242bf | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 10V, Positive-QTOF | splash10-00kb-0000009500-b25662781cf830806d83 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 20V, Positive-QTOF | splash10-014i-0000007900-7e4e7d78f732e25dfdd4 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 40V, Positive-QTOF | splash10-02ti-0000907100-6618bb9d411cc7df123e | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 10V, Positive-QTOF | splash10-000i-0000000900-bb2a1abb421b81dfbeb0 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 20V, Positive-QTOF | splash10-000i-0000009900-5481e002483d395d08cb | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:5(5Z,8Z,11Z,14Z,17Z)/18:4(6Z,9Z,12Z,15Z)) 40V, Positive-QTOF | splash10-000i-0000902300-b3b765e9814d55e44fdc | 2021-09-25 | Wishart Lab | View Spectrum |
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