Exact Mass: 419.2321
Exact Mass Matches: 419.2321
Found 81 metabolites which its exact mass value is equals to given mass value 419.2321,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
11-Deoxycortisol-3-carboxymethyloxime
2-({[14-hydroxy-14-(2-hydroxyacetyl)-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-ylidene]amino}oxy)acetic acid
N-Formyl-Nle-Leu-Phe
2-[[2-(2-Formamidohexanoylamino)-4-methylpentanoyl]amino]-3-phenylpropanoic acid
Ala Lys Thr Thr
(2S,3R)-2-[(2S,3R)-2-[(2S)-6-amino-2-[(2S)-2-aminopropanamido]hexanamido]-3-hydroxybutanamido]-3-hydroxybutanoic acid
Ala Thr Lys Thr
(2S,3R)-2-[(2S)-6-amino-2-[(2S,3R)-2-[(2S)-2-aminopropanamido]-3-hydroxybutanamido]hexanamido]-3-hydroxybutanoic acid
Ala Thr Thr Lys
(2S)-6-amino-2-[(2S,3R)-2-[(2S,3R)-2-[(2S)-2-aminopropanamido]-3-hydroxybutanamido]-3-hydroxybutanamido]hexanoic acid
Lys Ala Thr Thr
(2S,3R)-2-[(2S,3R)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]propanamido]-3-hydroxybutanamido]-3-hydroxybutanoic acid
Lys Ser Ser Val
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-hydroxypropanamido]-3-hydroxypropanamido]-3-methylbutanoic acid
Lys Ser Val Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-hydroxypropanamido]-3-methylbutanamido]-3-hydroxypropanoic acid
Lys Thr Ala Thr
(2S,3R)-2-[(2S)-2-[(2S,3R)-2-[(2S)-2,6-diaminohexanamido]-3-hydroxybutanamido]propanamido]-3-hydroxybutanoic acid
Lys Thr Thr Ala
(2S)-2-[(2S,3R)-2-[(2S,3R)-2-[(2S)-2,6-diaminohexanamido]-3-hydroxybutanamido]-3-hydroxybutanamido]propanoic acid
Lys Val Ser Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-methylbutanamido]-3-hydroxypropanamido]-3-hydroxypropanoic acid
Ser Lys Ser Val
(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-hydroxypropanamido]hexanamido]-3-hydroxypropanamido]-3-methylbutanoic acid
Ser Lys Val Ser
(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-hydroxypropanamido]hexanamido]-3-methylbutanamido]-3-hydroxypropanoic acid
Ser Ser Lys Val
(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-hydroxypropanamido]hexanamido]-3-methylbutanoic acid
Ser Ser Val Lys
(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-hydroxypropanamido]-3-methylbutanamido]hexanoic acid
Ser Val Lys Ser
(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-methylbutanamido]hexanamido]-3-hydroxypropanoic acid
Ser Val Ser Lys
(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-methylbutanamido]-3-hydroxypropanamido]hexanoic acid
Thr Ala Lys Thr
(2S,3R)-2-[(2S)-6-amino-2-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]propanamido]hexanamido]-3-hydroxybutanoic acid
Thr Ala Thr Lys
(2S)-6-amino-2-[(2S,3R)-2-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]propanamido]-3-hydroxybutanamido]hexanoic acid
Thr Lys Ala Thr
(2S,3R)-2-[(2S)-2-[(2S)-6-amino-2-[(2S,3R)-2-amino-3-hydroxybutanamido]hexanamido]propanamido]-3-hydroxybutanoic acid
Thr Lys Thr Ala
(2S)-2-[(2S,3R)-2-[(2S)-6-amino-2-[(2S,3R)-2-amino-3-hydroxybutanamido]hexanamido]-3-hydroxybutanamido]propanoic acid
Thr Thr Ala Lys
(2S)-6-amino-2-[(2S)-2-[(2S,3R)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-hydroxybutanamido]propanamido]hexanoic acid
Thr Thr Lys Ala
(2S)-2-[(2S)-6-amino-2-[(2S,3R)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-hydroxybutanamido]hexanamido]propanoic acid
Val Lys Ser Ser
(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-methylbutanamido]hexanamido]-3-hydroxypropanamido]-3-hydroxypropanoic acid
Val Ser Lys Ser
(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-hydroxypropanamido]hexanamido]-3-hydroxypropanoic acid
Val Ser Ser Lys
(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-hydroxypropanamido]-3-hydroxypropanamido]hexanoic acid
dicyclohexyl-[2-(2-methoxyphenyl)indol-1-yl]phosphane
dicyclohexyl-[2-(2-methoxyphenyl)indol-1-yl]phosphane
2-Methyl-4-(N-ethyl-N-benzyl)aminobenzoaldehyde-1,1-diphenylhydrazone
2-Methyl-4-(N-ethyl-N-benzyl)aminobenzoaldehyde-1,1-diphenylhydrazone
BUTYLACRYLATE-STYRENE-METHYLOLACRYLAMIDE-METHACRYLICACID
BUTYLACRYLATE-STYRENE-METHYLOLACRYLAMIDE-METHACRYLICACID
{(3s)-1-[5-(Cyclohexylcarbamoyl)-6-(Propylsulfanyl)pyridin-2-Yl]piperidin-3-Yl}acetic Acid
{(3s)-1-[5-(Cyclohexylcarbamoyl)-6-(Propylsulfanyl)pyridin-2-Yl]piperidin-3-Yl}acetic Acid
C471 - Enzyme Inhibitor
2-[(Z)-[17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-ylidene]amino]oxyacetic acid
2-[(Z)-[17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-ylidene]amino]oxyacetic acid
2-[(2S,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2S,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
[1-[3-(4-Fluorophenoxy)propyl]-4-piperidinyl]-diphenylmethanol
[1-[3-(4-Fluorophenoxy)propyl]-4-piperidinyl]-diphenylmethanol
2-[(2S,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2S,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
N-[(5S,6R,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5S,6R,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5S,6S,9S)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5S,6S,9S)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5S,6S,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5S,6S,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7R,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7R,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4S,7R,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4S,7R,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7S,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7S,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
2-[(2S,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2S,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2R,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2S,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2S,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2S,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2S,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2R,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2R,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
N-[(5R,6R,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5R,6R,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5R,6R,9S)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5R,6R,9S)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5R,6S,9S)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5R,6S,9S)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5R,6S,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(5R,6S,9R)-8-acetyl-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7R,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7R,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4S,7S,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4S,7S,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7S,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4R,7S,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4S,7S,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
N-[(4S,7S,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]propanamide
2-[(2R,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2R,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2R,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5R,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2S,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2S,5S,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2S,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2S,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2R,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2R,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2R,5S,6S)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1R)-1-phenylethyl]acetamide
2-[(2S,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
2-[(2S,5R,6R)-6-(hydroxymethyl)-5-[[2-(4-morpholinyl)-1-oxoethyl]amino]-2-oxanyl]-N-[(1S)-1-phenylethyl]acetamide
(2e,4e)-n-{5,6'-dihydroxy-3h-4',8'-dioxaspiro[furan-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl}-4,6-dimethyldodeca-2,4-dienimidic acid
(2e,4e)-n-{5,6'-dihydroxy-3h-4',8'-dioxaspiro[furan-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl}-4,6-dimethyldodeca-2,4-dienimidic acid
(2e,4e,6r)-n-[(1's,3'r,4s,5r,5's,7'r)-5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl]-4,6-dimethyldodeca-2,4-dienimidic acid
(2e,4e,6r)-n-[(1's,3'r,4s,5r,5's,7'r)-5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl]-4,6-dimethyldodeca-2,4-dienimidic acid
(2e,4e)-n-{5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl}-4,6-dimethyldodeca-2,4-dienimidic acid
(2e,4e)-n-{5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl}-4,6-dimethyldodeca-2,4-dienimidic acid
n-{5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl}-4,6-dimethyldodeca-2,4-dienimidic acid
n-{5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl}-4,6-dimethyldodeca-2,4-dienimidic acid
methyl (1r,5s,8s,11s,12r,15r,17r)-8-hydroxy-3-methyl-9-oxo-15-(3-oxopentyl)-13-oxa-3-azapentacyclo[9.4.2.0¹,¹².0⁵,¹⁵.0⁸,¹²]heptadecane-17-carboxylate
methyl (1r,5s,8s,11s,12r,15r,17r)-8-hydroxy-3-methyl-9-oxo-15-(3-oxopentyl)-13-oxa-3-azapentacyclo[9.4.2.0¹,¹².0⁵,¹⁵.0⁸,¹²]heptadecane-17-carboxylate
5-(2-hydroxy-4-{[(2e)-1-hydroxy-4,6,8-trimethylnona-2,7-dien-1-ylidene]amino}-5-oxo-7-oxabicyclo[4.1.0]hept-3-en-2-yl)pentanoic acid
5-(2-hydroxy-4-{[(2e)-1-hydroxy-4,6,8-trimethylnona-2,7-dien-1-ylidene]amino}-5-oxo-7-oxabicyclo[4.1.0]hept-3-en-2-yl)pentanoic acid
(2e,4e,6r)-n-[(1's,3'r,5's,7'r)-5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl]-4,6-dimethyldodeca-2,4-dienimidic acid
(2e,4e,6r)-n-[(1's,3'r,5's,7'r)-5-hydroxy-6'-oxo-4',8'-dioxaspiro[oxolane-2,2'-tricyclo[5.1.0.0³,⁵]octan]-4-yl]-4,6-dimethyldodeca-2,4-dienimidic acid
