Exact Mass: 681.3758
Exact Mass Matches: 681.3758
Found 132 metabolites which its exact mass value is equals to given mass value 681.3758,
within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error
0.01 dalton.
Mycinamicin III
Mycinamicin III
A mycinamicin composed of a 16-membered ring macrolactone core, an N,N-dimethylated deoxysugar desosamine and a 2-O-methylated 6-deoxysugar javose.
Aypgkf
2-{6-amino-2-[2-({1-[2-(2-aminopropanamido)-3-(4-hydroxyphenyl)propanoyl]pyrrolidin-2-yl}formamido)acetamido]hexanamido}-3-phenylpropanoic acid
Lys Trp Trp Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-(1H-indol-3-yl)propanamido]-3-(1H-indol-3-yl)propanamido]-3-(4-hydroxyphenyl)propanoic acid
Lys Trp Tyr Trp
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-(1H-indol-3-yl)propanamido]-3-(4-hydroxyphenyl)propanamido]-3-(1H-indol-3-yl)propanoic acid
Lys Tyr Trp Trp
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-(4-hydroxyphenyl)propanamido]-3-(1H-indol-3-yl)propanamido]-3-(1H-indol-3-yl)propanoic acid
Trp Lys Trp Tyr
(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]hexanamido]-3-(1H-indol-3-yl)propanamido]-3-(4-hydroxyphenyl)propanoic acid
Trp Lys Tyr Trp
(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]hexanamido]-3-(4-hydroxyphenyl)propanamido]-3-(1H-indol-3-yl)propanoic acid
Trp Trp Lys Tyr
(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-(1H-indol-3-yl)propanamido]hexanamido]-3-(4-hydroxyphenyl)propanoic acid
Trp Trp Tyr Lys
(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-(1H-indol-3-yl)propanamido]-3-(4-hydroxyphenyl)propanamido]hexanoic acid
Trp Tyr Lys Trp
(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-(4-hydroxyphenyl)propanamido]hexanamido]-3-(1H-indol-3-yl)propanoic acid
Trp Tyr Trp Lys
(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-(4-hydroxyphenyl)propanamido]-3-(1H-indol-3-yl)propanamido]hexanoic acid
Tyr Lys Trp Trp
(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]hexanamido]-3-(1H-indol-3-yl)propanamido]-3-(1H-indol-3-yl)propanoic acid
Tyr Trp Lys Trp
(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-3-(1H-indol-3-yl)propanamido]hexanamido]-3-(1H-indol-3-yl)propanoic acid
Tyr Trp Trp Lys
(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-3-(1H-indol-3-yl)propanamido]-3-(1H-indol-3-yl)propanamido]hexanoic acid
N-[(3S,9S,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9S,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9R,10R)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9R,10R)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9S,10S)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9S,10S)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9S,10S)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9S,10S)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9S,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9S,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9R,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9R,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10S)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9S,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9S,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9S,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9S,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9R,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3R,9R,10R)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10R)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10R)-12-[(2R)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10S)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
N-[(3S,9R,10S)-12-[(2S)-1-hydroxypropan-2-yl]-3,10-dimethyl-9-[[methyl-[(1-naphthalenylamino)-oxomethyl]amino]methyl]-13-oxo-2,8-dioxa-12-azabicyclo[12.4.0]octadeca-1(14),15,17-trien-16-yl]-4-pyridinecarboxamide
2-amino-3-[[2-[(4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoyl]oxy-3-heptanoyloxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
2-amino-3-[[2-[(4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoyl]oxy-3-heptanoyloxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
(2S)-2-amino-3-[[2-[(5E,7E,9E,11E,13E)-hexadeca-5,7,9,11,13-pentaenoyl]oxy-3-[(E)-tridec-8-enoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
(2S)-2-amino-3-[[2-[(5E,7E,9E,11E,13E)-hexadeca-5,7,9,11,13-pentaenoyl]oxy-3-[(E)-tridec-8-enoyl]oxypropoxy]-hydroxyphosphoryl]oxypropanoic acid
3,6,15-tribenzyl-5,8,11,14-tetrahydroxy-1-methyl-12-(2-methylpropyl)-9-(sec-butyl)-1,4,7,10,13-pentaazacyclopentadeca-4,7,10,13-tetraen-2-one
3,6,15-tribenzyl-5,8,11,14-tetrahydroxy-1-methyl-12-(2-methylpropyl)-9-(sec-butyl)-1,4,7,10,13-pentaazacyclopentadeca-4,7,10,13-tetraen-2-one
(7e,13e,15e,17e,19e)-21-{[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy}-1,3,5,25-tetrahydroxy-11,12-dimethyl-9-oxo-10,27-dioxabicyclo[21.3.1]heptacosa-7,13,15,17,19-pentaene-24-carboxylic acid
(7e,13e,15e,17e,19e)-21-{[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy}-1,3,5,25-tetrahydroxy-11,12-dimethyl-9-oxo-10,27-dioxabicyclo[21.3.1]heptacosa-7,13,15,17,19-pentaene-24-carboxylic acid
(2s)-n-[(2s)-1-[(3s,7s,10s,13e)-10-[(2r)-butan-2-yl]-8,11-dihydroxy-16-methoxy-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl]-2-(methylamino)-3-phenylpropanimidic acid
(2s)-n-[(2s)-1-[(3s,7s,10s,13e)-10-[(2r)-butan-2-yl]-8,11-dihydroxy-16-methoxy-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl]-2-(methylamino)-3-phenylpropanimidic acid
(2s)-n-[(2s)-1-[(3s,10s,13e)-8,11-dihydroxy-16-methoxy-10-(sec-butyl)-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl]-2-(methylamino)-3-phenylpropanimidic acid
(2s)-n-[(2s)-1-[(3s,10s,13e)-8,11-dihydroxy-16-methoxy-10-(sec-butyl)-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl]-2-(methylamino)-3-phenylpropanimidic acid
3-[7,27-dihydroxy-3,4,11,23,23,25,25-heptamethyl-31-(prop-1-en-2-yl)-8,24-dioxa-1-azanonacyclo[16.13.1.0²,¹⁷.0³,¹⁵.0⁴,¹².0⁷,¹¹.0²⁰,²⁸.0²¹,²⁶.0²⁹,³²]dotriaconta-2(17),18,20(28),21,29(32)-pentaen-9-yl]-2-methylprop-2-enoic acid
3-[7,27-dihydroxy-3,4,11,23,23,25,25-heptamethyl-31-(prop-1-en-2-yl)-8,24-dioxa-1-azanonacyclo[16.13.1.0²,¹⁷.0³,¹⁵.0⁴,¹².0⁷,¹¹.0²⁰,²⁸.0²¹,²⁶.0²⁹,³²]dotriaconta-2(17),18,20(28),21,29(32)-pentaen-9-yl]-2-methylprop-2-enoic acid
n-{1-[8,11-dihydroxy-16-methoxy-10-(sec-butyl)-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl}-2-(methylamino)-3-phenylpropanimidic acid
n-{1-[8,11-dihydroxy-16-methoxy-10-(sec-butyl)-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl}-2-(methylamino)-3-phenylpropanimidic acid
(2e)-3-[(3s,4s,7s,9s,11s,12r,15s,26r,27s,31r)-7,27-dihydroxy-3,4,11,23,23,25,25-heptamethyl-31-(prop-1-en-2-yl)-8,24-dioxa-1-azanonacyclo[16.13.1.0²,¹⁷.0³,¹⁵.0⁴,¹².0⁷,¹¹.0²⁰,²⁸.0²¹,²⁶.0²⁹,³²]dotriaconta-2(17),18,20(28),21,29(32)-pentaen-9-yl]-2-methylprop-2-enoic acid
(2e)-3-[(3s,4s,7s,9s,11s,12r,15s,26r,27s,31r)-7,27-dihydroxy-3,4,11,23,23,25,25-heptamethyl-31-(prop-1-en-2-yl)-8,24-dioxa-1-azanonacyclo[16.13.1.0²,¹⁷.0³,¹⁵.0⁴,¹².0⁷,¹¹.0²⁰,²⁸.0²¹,²⁶.0²⁹,³²]dotriaconta-2(17),18,20(28),21,29(32)-pentaen-9-yl]-2-methylprop-2-enoic acid
(3e,11e,13e)-15-{[(4,5-dihydroxy-3-methoxy-6-methyloxan-2-yl)oxy]methyl}-6-{[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-16-ethyl-5,7,9-trimethyl-1-oxacyclohexadeca-3,11,13-triene-2,10-dione
(3e,11e,13e)-15-{[(4,5-dihydroxy-3-methoxy-6-methyloxan-2-yl)oxy]methyl}-6-{[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-16-ethyl-5,7,9-trimethyl-1-oxacyclohexadeca-3,11,13-triene-2,10-dione
15-{[(4,5-dihydroxy-3-methoxy-6-methyloxan-2-yl)oxy]methyl}-6-{[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-16-ethyl-5,7,9-trimethyl-1-oxacyclohexadeca-3,11,13-triene-2,10-dione
15-{[(4,5-dihydroxy-3-methoxy-6-methyloxan-2-yl)oxy]methyl}-6-{[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-16-ethyl-5,7,9-trimethyl-1-oxacyclohexadeca-3,11,13-triene-2,10-dione
(2s)-n-[(2s)-1-[(3s,7s,10r,13z)-10-[(2s)-butan-2-yl]-8,11-dihydroxy-16-methoxy-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl]-2-(methylamino)-3-phenylpropanimidic acid
(2s)-n-[(2s)-1-[(3s,7s,10r,13z)-10-[(2s)-butan-2-yl]-8,11-dihydroxy-16-methoxy-2-oxa-6,9,12-triazatricyclo[13.3.1.0³,⁷]nonadeca-1(18),8,11,13,15(19),16-hexaen-6-yl]-1-oxo-3-phenylpropan-2-yl]-2-(methylamino)-3-phenylpropanimidic acid
6-{[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-16-ethyl-15-[(5-hydroxy-3,4-dimethoxy-6-methyloxan-2-yl)oxy]-5,7,9-trimethyl-1-oxacyclohexadeca-3,11,13-triene-2,10-dione
6-{[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-16-ethyl-15-[(5-hydroxy-3,4-dimethoxy-6-methyloxan-2-yl)oxy]-5,7,9-trimethyl-1-oxacyclohexadeca-3,11,13-triene-2,10-dione
3-hydroxy-2-({hydroxy[2-(2-{2-[2-(2-hydroxy-3-methylpentanoyl)-1,2-diazinane-3-carbonyl]-1,2-diazinane-3-carbonyl}-1,2-diazinane-3-carbonyl)-1,2-diazinan-3-yl]methylidene}amino)-2-methylpropanoic acid
3-hydroxy-2-({hydroxy[2-(2-{2-[2-(2-hydroxy-3-methylpentanoyl)-1,2-diazinane-3-carbonyl]-1,2-diazinane-3-carbonyl}-1,2-diazinane-3-carbonyl)-1,2-diazinan-3-yl]methylidene}amino)-2-methylpropanoic acid
(2e)-5-[(3s,4s,7s,8s,9r,12s,23r,24s,28s)-7,24-dihydroxy-3,4,8,20,20,22,22-heptamethyl-27-oxo-28-(prop-1-en-2-yl)-21-oxa-1-azaoctacyclo[13.13.1.0²,¹⁴.0³,¹².0⁴,⁹.0¹⁷,²⁵.0¹⁸,²³.0²⁶,²⁹]nonacosa-2(14),15,17(25),18,26(29)-pentaen-8-yl]-2-methylpent-2-enoic acid
(2e)-5-[(3s,4s,7s,8s,9r,12s,23r,24s,28s)-7,24-dihydroxy-3,4,8,20,20,22,22-heptamethyl-27-oxo-28-(prop-1-en-2-yl)-21-oxa-1-azaoctacyclo[13.13.1.0²,¹⁴.0³,¹².0⁴,⁹.0¹⁷,²⁵.0¹⁸,²³.0²⁶,²⁹]nonacosa-2(14),15,17(25),18,26(29)-pentaen-8-yl]-2-methylpent-2-enoic acid
