Exact Mass: 871.669
Exact Mass Matches: 871.669
Found 69 metabolites which its exact mass value is equals to given mass value 871.669
,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
HexCer 43:2;O5
N-(2R,15-dihydroxy-16E-docosenoyl)-1-beta-glucopyranosyl-4R-hydroxy-13S,14R-methylene-eicosasphingenine
2-amino-3-[[2-[(Z)-heptadec-9-enoyl]oxy-3-[(Z)-hexacos-15-enoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-[(Z)-heptadec-9-enoyl]oxy-3-[(Z)-hexacos-15-enoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-[(13Z,16Z)-docosa-13,16-dienoyl]oxy-3-henicosoxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-[(13Z,16Z)-docosa-13,16-dienoyl]oxy-3-henicosoxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(9Z,12Z)-nonadeca-9,12-dienoyl]oxy-3-tetracosoxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(9Z,12Z)-nonadeca-9,12-dienoyl]oxy-3-tetracosoxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(9Z,12Z)-octadeca-9,12-dienoyl]oxy-3-pentacosoxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(9Z,12Z)-octadeca-9,12-dienoyl]oxy-3-pentacosoxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[[2-docosanoyloxy-3-[(11Z,14Z)-henicosa-11,14-dienoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-docosanoyloxy-3-[(11Z,14Z)-henicosa-11,14-dienoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-[(Z)-docos-13-enoxy]-2-[(Z)-henicos-11-enoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-[(Z)-docos-13-enoxy]-2-[(Z)-henicos-11-enoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(9Z,12Z)-octadeca-9,12-dienoxy]-2-pentacosanoyloxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(9Z,12Z)-octadeca-9,12-dienoxy]-2-pentacosanoyloxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[[3-[(9Z,12Z)-heptadeca-9,12-dienoxy]-2-hexacosanoyloxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-[(9Z,12Z)-heptadeca-9,12-dienoxy]-2-hexacosanoyloxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(9Z,12Z)-nonadeca-9,12-dienoxy]-2-tetracosanoyloxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(9Z,12Z)-nonadeca-9,12-dienoxy]-2-tetracosanoyloxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[[3-docosoxy-2-[(11Z,14Z)-henicosa-11,14-dienoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-docosoxy-2-[(11Z,14Z)-henicosa-11,14-dienoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-nonadecanoyloxy-3-[(13Z,16Z)-tetracosa-13,16-dienoxy]propoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-nonadecanoyloxy-3-[(13Z,16Z)-tetracosa-13,16-dienoxy]propoxy]phosphoryl]oxypropanoic acid
2-amino-3-[[3-[(Z)-heptadec-9-enoxy]-2-[(Z)-hexacos-15-enoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-[(Z)-heptadec-9-enoxy]-2-[(Z)-hexacos-15-enoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-heptadecoxy-2-[(15Z,18Z)-hexacosa-15,18-dienoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-heptadecoxy-2-[(15Z,18Z)-hexacosa-15,18-dienoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(11Z,14Z)-icosa-11,14-dienoyl]oxy-3-tricosoxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(11Z,14Z)-icosa-11,14-dienoyl]oxy-3-tricosoxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(Z)-nonadec-9-enoxy]-2-[(Z)-tetracos-13-enoyl]oxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(Z)-nonadec-9-enoxy]-2-[(Z)-tetracos-13-enoyl]oxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[[3-[(13Z,16Z)-docosa-13,16-dienoxy]-2-henicosanoyloxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[3-[(13Z,16Z)-docosa-13,16-dienoxy]-2-henicosanoyloxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-nonadecoxy-2-[(13Z,16Z)-tetracosa-13,16-dienoyl]oxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-nonadecoxy-2-[(13Z,16Z)-tetracosa-13,16-dienoyl]oxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[[2-[(Z)-docos-13-enoyl]oxy-3-[(Z)-henicos-11-enoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-[(Z)-docos-13-enoyl]oxy-3-[(Z)-henicos-11-enoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-heptadecanoyloxy-3-[(15Z,18Z)-hexacosa-15,18-dienoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-heptadecanoyloxy-3-[(15Z,18Z)-hexacosa-15,18-dienoxy]propoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-[(9Z,12Z)-heptadeca-9,12-dienoyl]oxy-3-hexacosoxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-[(9Z,12Z)-heptadeca-9,12-dienoyl]oxy-3-hexacosoxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(Z)-nonadec-9-enoyl]oxy-3-[(Z)-tetracos-13-enoxy]propoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[2-[(Z)-nonadec-9-enoyl]oxy-3-[(Z)-tetracos-13-enoxy]propoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(11Z,14Z)-icosa-11,14-dienoxy]-2-tricosanoyloxypropoxy]phosphoryl]oxypropanoic acid
2-amino-3-[hydroxy-[3-[(11Z,14Z)-icosa-11,14-dienoxy]-2-tricosanoyloxypropoxy]phosphoryl]oxypropanoic acid
2-[[2-[[(8Z,11Z,14Z,17Z,20Z,23Z,26Z,29Z)-dotriaconta-8,11,14,17,20,23,26,29-octaenoyl]amino]-3-hydroxypentadecoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[2-[[(8Z,11Z,14Z,17Z,20Z,23Z,26Z,29Z)-dotriaconta-8,11,14,17,20,23,26,29-octaenoyl]amino]-3-hydroxypentadecoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(10Z,13Z,16Z,19Z,22Z,25Z)-octacosa-10,13,16,19,22,25-hexaenoyl]amino]nonadeca-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(10Z,13Z,16Z,19Z,22Z,25Z)-octacosa-10,13,16,19,22,25-hexaenoyl]amino]nonadeca-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E)-2-[[(14Z,17Z,20Z,23Z,26Z,29Z)-dotriaconta-14,17,20,23,26,29-hexaenoyl]amino]-3-hydroxypentadeca-4,8-dienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E)-2-[[(14Z,17Z,20Z,23Z,26Z,29Z)-dotriaconta-14,17,20,23,26,29-hexaenoyl]amino]-3-hydroxypentadeca-4,8-dienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E)-2-[[(4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoyl]amino]-3-hydroxypentacosa-4,8-dienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E)-2-[[(4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoyl]amino]-3-hydroxypentacosa-4,8-dienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-12,15,18,21,24,27-hexaenoyl]amino]heptadeca-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-12,15,18,21,24,27-hexaenoyl]amino]heptadeca-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E,12E)-2-[[(11Z,14Z,17Z,20Z,23Z)-hexacosa-11,14,17,20,23-pentaenoyl]amino]-3-hydroxyhenicosa-4,8,12-trienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E,12E)-2-[[(11Z,14Z,17Z,20Z,23Z)-hexacosa-11,14,17,20,23-pentaenoyl]amino]-3-hydroxyhenicosa-4,8,12-trienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[2-[[(12Z,15Z,18Z,21Z,24Z,27Z,30Z,33Z)-hexatriaconta-12,15,18,21,24,27,30,33-octaenoyl]amino]-3-hydroxyundecoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[2-[[(12Z,15Z,18Z,21Z,24Z,27Z,30Z,33Z)-hexatriaconta-12,15,18,21,24,27,30,33-octaenoyl]amino]-3-hydroxyundecoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyl]amino]heptacosa-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyl]amino]heptacosa-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E)-2-[[(8Z,11Z,14Z,17Z,20Z,23Z)-hexacosa-8,11,14,17,20,23-hexaenoyl]amino]-3-hydroxyhenicosa-4,8-dienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E)-2-[[(8Z,11Z,14Z,17Z,20Z,23Z)-hexacosa-8,11,14,17,20,23-hexaenoyl]amino]-3-hydroxyhenicosa-4,8-dienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E,12E)-2-[[(17Z,20Z,23Z,26Z,29Z)-dotriaconta-17,20,23,26,29-pentaenoyl]amino]-3-hydroxypentadeca-4,8,12-trienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E,12E)-2-[[(17Z,20Z,23Z,26Z,29Z)-dotriaconta-17,20,23,26,29-pentaenoyl]amino]-3-hydroxypentadeca-4,8,12-trienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(7Z,10Z,13Z,16Z,19Z,22Z,25Z)-octacosa-7,10,13,16,19,22,25-heptaenoyl]amino]nonadec-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(7Z,10Z,13Z,16Z,19Z,22Z,25Z)-octacosa-7,10,13,16,19,22,25-heptaenoyl]amino]nonadec-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[[(E)-2-[[(15Z,18Z,21Z,24Z,27Z,30Z,33Z)-hexatriaconta-15,18,21,24,27,30,33-heptaenoyl]amino]-3-hydroxyundec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(E)-2-[[(15Z,18Z,21Z,24Z,27Z,30Z,33Z)-hexatriaconta-15,18,21,24,27,30,33-heptaenoyl]amino]-3-hydroxyundec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-16,19,22,25,28,31-hexaenoyl]amino]trideca-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-16,19,22,25,28,31-hexaenoyl]amino]trideca-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(9Z,12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-9,12,15,18,21,24,27-heptaenoyl]amino]heptadec-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(9Z,12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-9,12,15,18,21,24,27-heptaenoyl]amino]heptadec-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(13Z,16Z,19Z,22Z,25Z)-octacosa-13,16,19,22,25-pentaenoyl]amino]nonadeca-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(13Z,16Z,19Z,22Z,25Z)-octacosa-13,16,19,22,25-pentaenoyl]amino]nonadeca-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[3-hydroxy-2-[[(14Z,17Z,20Z,23Z,26Z,29Z,32Z,35Z)-octatriaconta-14,17,20,23,26,29,32,35-octaenoyl]amino]nonoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[3-hydroxy-2-[[(14Z,17Z,20Z,23Z,26Z,29Z,32Z,35Z)-octatriaconta-14,17,20,23,26,29,32,35-octaenoyl]amino]nonoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[3-hydroxy-2-[[(6Z,9Z,12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-6,9,12,15,18,21,24,27-octaenoyl]amino]heptadecoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[3-hydroxy-2-[[(6Z,9Z,12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-6,9,12,15,18,21,24,27-octaenoyl]amino]heptadecoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(17Z,20Z,23Z,26Z,29Z,32Z,35Z)-octatriaconta-17,20,23,26,29,32,35-heptaenoyl]amino]non-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(17Z,20Z,23Z,26Z,29Z,32Z,35Z)-octatriaconta-17,20,23,26,29,32,35-heptaenoyl]amino]non-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(13Z,16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-13,16,19,22,25,28,31-heptaenoyl]amino]tridec-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(E)-3-hydroxy-2-[[(13Z,16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-13,16,19,22,25,28,31-heptaenoyl]amino]tridec-4-enoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[3-hydroxy-2-[[(10Z,13Z,16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-10,13,16,19,22,25,28,31-octaenoyl]amino]tridecoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[3-hydroxy-2-[[(10Z,13Z,16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-10,13,16,19,22,25,28,31-octaenoyl]amino]tridecoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(15Z,18Z,21Z,24Z,27Z)-triaconta-15,18,21,24,27-pentaenoyl]amino]heptadeca-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(15Z,18Z,21Z,24Z,27Z)-triaconta-15,18,21,24,27-pentaenoyl]amino]heptadeca-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(6Z,9Z,12Z,15Z,18Z,21Z)-tetracosa-6,9,12,15,18,21-hexaenoyl]amino]tricosa-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E)-3-hydroxy-2-[[(6Z,9Z,12Z,15Z,18Z,21Z)-tetracosa-6,9,12,15,18,21-hexaenoyl]amino]tricosa-4,8-dienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[[(E)-2-[[(11Z,14Z,17Z,20Z,23Z,26Z,29Z)-dotriaconta-11,14,17,20,23,26,29-heptaenoyl]amino]-3-hydroxypentadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(E)-2-[[(11Z,14Z,17Z,20Z,23Z,26Z,29Z)-dotriaconta-11,14,17,20,23,26,29-heptaenoyl]amino]-3-hydroxypentadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(3Z,6Z,9Z,12Z,15Z)-octadeca-3,6,9,12,15-pentaenoyl]amino]nonacosa-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(3Z,6Z,9Z,12Z,15Z)-octadeca-3,6,9,12,15-pentaenoyl]amino]nonacosa-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoyl]amino]tricosa-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[hydroxy-[(4E,8E,12E)-3-hydroxy-2-[[(9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoyl]amino]tricosa-4,8,12-trienoxy]phosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E,12E)-2-[[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyl]amino]-3-hydroxypentacosa-4,8,12-trienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(4E,8E,12E)-2-[[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyl]amino]-3-hydroxypentacosa-4,8,12-trienoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(E)-2-[[(5Z,8Z,11Z,14Z,17Z,20Z,23Z)-hexacosa-5,8,11,14,17,20,23-heptaenoyl]amino]-3-hydroxyhenicos-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
2-[[(E)-2-[[(5Z,8Z,11Z,14Z,17Z,20Z,23Z)-hexacosa-5,8,11,14,17,20,23-heptaenoyl]amino]-3-hydroxyhenicos-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium
phosphatidylethanolamine 44:2-OH
phosphatidylethanolamine 44:2-OH
A 1,2-diacyl-sn-glycero-3-phosphoethanolamine zwitterion in which the acyl groups at C-1 and C-2 contain 44 carbons in total with 2 double bonds and 1 hydroxyl substituent.