Exact Mass: 515.2519042
Exact Mass Matches: 515.2519042
Found 34 metabolites which its exact mass value is equals to given mass value 515.2519042,
within given mass tolerance error 4.0E-5 dalton. Try search metabolite list with more accurate mass tolerance error
8.0E-6 dalton.
2-[(3R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid
2-[(3R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid
C28H37NO8_Pentanedioic acid, 2-[(6S,8aS)-3,4,4a,5,6,6,7,8,8,8a-decahydro-4,6-dihydroxy-2,5,5,8a-tetramethyl-6-oxospiro[2H-furo[2,3-e]isoindole-2,1(2H)-naphthalen]-7(3H)-yl]
NCGC00169355-02_C28H37NO8_Pentanedioic acid, 2-[(6S,8aS)-3,4,4a,5,6,6,7,8,8,8a-decahydro-4,6-dihydroxy-2,5,5,8a-tetramethyl-6-oxospiro[2H-furo[2,3-e]isoindole-2,1(2H)-naphthalen]-7(3H)-yl]-
C28H37NO8_2-{2-[(3E)-4,8-Dimethyl-3,7-nonadien-1-yl]-3,5-dihydroxy-2-methyl-7-oxo-3,4,7,9-tetrahydropyrano[2,3-e]isoindol-8(2H)-yl}pentanedioic acid
NCGC00169069-02_C28H37NO8_2-{2-[(3E)-4,8-Dimethyl-3,7-nonadien-1-yl]-3,5-dihydroxy-2-methyl-7-oxo-3,4,7,9-tetrahydropyrano[2,3-e]isoindol-8(2H)-yl}pentanedioic acid
C28H37NO8_2-[(6R,8aS)-4,6-Dihydroxy-2,5,5,8a-tetramethyl-6-oxo-3,4,4a,5,6,6,7,8,8,8a-decahydro-2H-spiro[furo[2,3-e]isoindole-2,1-naphthalen]-7(3H)-yl]pentanedioic acid
NCGC00384954-01_C28H37NO8_2-[(6R,8aS)-4,6-Dihydroxy-2,5,5,8a-tetramethyl-6-oxo-3,4,4a,5,6,6,7,8,8,8a-decahydro-2H-spiro[furo[2,3-e]isoindole-2,1-naphthalen]-7(3H)-yl]pentanedioic acid
C28H37NO8_Pentanedioic acid, 2-[(2R,2R,6R,8aS)-3,4,4a,5,6,6,7,8,8,8a-decahydro-4,6-dihydroxy-2,5,5,8a-tetramethyl-6-oxospiro[2H-furo[2,3-e]isoindole-2,1(2H)-naphthalen]-7(3H)-yl]-, (2S)
NCGC00180503-03_C28H37NO8_Pentanedioic acid, 2-[(2R,2R,6R,8aS)-3,4,4a,5,6,6,7,8,8,8a-decahydro-4,6-dihydroxy-2,5,5,8a-tetramethyl-6-oxospiro[2H-furo[2,3-e]isoindole-2,1(2H)-naphthalen]-7(3H)-yl]-, (2S)-
(2S)-2-[(3R,7R,8R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid
(2S)-2-[(3R,7R,8R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid
(2S)-2-[(3R,7R,8R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid_major
(2S)-2-[(3R,7R,8R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid_major
2-[(3R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid_major
2-[(3R,8aS)-3,4-dihydroxy-4,4,7,8a-tetramethyl-6-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2-3,8-dihydrofuro[2,3-e]isoindole]-7-yl]pentanedioic acid_major
2-((6R,8aS)-4,6-dihydroxy-2,5,5,8a-tetramethyl-6-oxo-3,4,4a,5,6,6,7,8,8,8a-decahydro-2H-spiro[furo[2,3-e]isoindole-2,1-naphthalen]-7(3H)-yl)pentanedioic acid
2-((6R,8aS)-4,6-dihydroxy-2,5,5,8a-tetramethyl-6-oxo-3,4,4a,5,6,6,7,8,8,8a-decahydro-2H-spiro[furo[2,3-e]isoindole-2,1-naphthalen]-7(3H)-yl)pentanedioic acid
Cephalotaxine,3-[4-methyl (2R)-2-hydroxy-2-(3-methylbutyl)butanedioate]
Cephalotaxine,3-[4-methyl (2R)-2-hydroxy-2-(3-methylbutyl)butanedioate]
[(1S,3R,4R,5R,6R,7S,8R,11S,13R,16R,17R)-6-hydroxy-16-(1-hydroxyethyl)-13-methoxy-5,17,19-trimethyl-14-oxo-2,15-dioxatetracyclo[9.8.0.01,7.03,8]nonadeca-9,18-dien-4-yl] 1H-pyrrole-2-carboxylate
[(1S,3R,4R,5R,6R,7S,8R,11S,13R,16R,17R)-6-hydroxy-16-(1-hydroxyethyl)-13-methoxy-5,17,19-trimethyl-14-oxo-2,15-dioxatetracyclo[9.8.0.01,7.03,8]nonadeca-9,18-dien-4-yl] 1H-pyrrole-2-carboxylate
(1s,3r,4r,5r,6r,7s,8r,11s,13s,16s,17r)-6-hydroxy-16-[(1r)-1-hydroxyethyl]-13-methoxy-5,17,19-trimethyl-14-oxo-2,15-dioxatetracyclo[9.8.0.0¹,⁷.0³,⁸]nonadeca-9,18-dien-4-yl 1h-pyrrole-2-carboxylate
(1s,3r,4r,5r,6r,7s,8r,11s,13s,16s,17r)-6-hydroxy-16-[(1r)-1-hydroxyethyl]-13-methoxy-5,17,19-trimethyl-14-oxo-2,15-dioxatetracyclo[9.8.0.0¹,⁷.0³,⁸]nonadeca-9,18-dien-4-yl 1h-pyrrole-2-carboxylate
(2s,3s,6r)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3s)-3-hydroxy-3-(3-methylbutyl)butanedioate
(2s,3s,6r)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3s)-3-hydroxy-3-(3-methylbutyl)butanedioate
2-{4,6'-dihydroxy-2',5',5',8'a-tetramethyl-6-oxo-3,3',4',4'a,6',7',8,8'-octahydro-2'h-spiro[furo[2,3-e]isoindole-2,1'-naphthalen]-7-yl}pentanedioic acid
2-{4,6'-dihydroxy-2',5',5',8'a-tetramethyl-6-oxo-3,3',4',4'a,6',7',8,8'-octahydro-2'h-spiro[furo[2,3-e]isoindole-2,1'-naphthalen]-7-yl}pentanedioic acid
(2s,3s,6s)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate
(2s,3s,6s)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate
(1s)-1-[(1s,3ar,3bs,7r,9ar,9br,11r,11as)-11-(acetyloxy)-1,3a,3b,7-tetrahydroxy-9a-methyl-2h,3h,4h,6h,7h,8h,9h,9bh,10h,11h,11ah-cyclopenta[a]phenanthren-1-yl]ethyl pyridine-2-carboxylate
(1s)-1-[(1s,3ar,3bs,7r,9ar,9br,11r,11as)-11-(acetyloxy)-1,3a,3b,7-tetrahydroxy-9a-methyl-2h,3h,4h,6h,7h,8h,9h,9bh,10h,11h,11ah-cyclopenta[a]phenanthren-1-yl]ethyl pyridine-2-carboxylate
1-[11-(acetyloxy)-1,3a,3b,7-tetrahydroxy-9a-methyl-2h,3h,4h,6h,7h,8h,9h,9bh,10h,11h,11ah-cyclopenta[a]phenanthren-1-yl]ethyl pyridine-2-carboxylate
1-[11-(acetyloxy)-1,3a,3b,7-tetrahydroxy-9a-methyl-2h,3h,4h,6h,7h,8h,9h,9bh,10h,11h,11ah-cyclopenta[a]phenanthren-1-yl]ethyl pyridine-2-carboxylate
4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl 3-hydroxy-3-(3-methylbutyl)butanedioate
4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl 3-hydroxy-3-(3-methylbutyl)butanedioate
(2s)-2-[(2r,2'r,4'as,6'r,8'as)-4,6'-dihydroxy-2',5',5',8'a-tetramethyl-6-oxo-3,3',4',4'a,6',7',8,8'-octahydro-2'h-spiro[furo[2,3-e]isoindole-2,1'-naphthalen]-7-yl]pentanedioic acid
(2s)-2-[(2r,2'r,4'as,6'r,8'as)-4,6'-dihydroxy-2',5',5',8'a-tetramethyl-6-oxo-3,3',4',4'a,6',7',8,8'-octahydro-2'h-spiro[furo[2,3-e]isoindole-2,1'-naphthalen]-7-yl]pentanedioic acid
2-{4,6'-dihydroxy-2',5',5',8'a-tetramethyl-7-oxo-3,3',4',4'a,5,6',7',8'-octahydro-2'h-spiro[furo[2,3-f]isoindole-2,1'-naphthalen]-6-yl}pentanedioic acid
2-{4,6'-dihydroxy-2',5',5',8'a-tetramethyl-7-oxo-3,3',4',4'a,5,6',7',8'-octahydro-2'h-spiro[furo[2,3-f]isoindole-2,1'-naphthalen]-6-yl}pentanedioic acid
(2s,3s,6r)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate
(2s,3s,6r)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate
(3s,6s)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate
(3s,6s)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate
(2s)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3s)-3-hydroxy-3-(3-methylbutyl)butanedioate
(2s)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3s)-3-hydroxy-3-(3-methylbutyl)butanedioate
(2s)-2-[(2s,2's,4'as,6'r,8'as)-4,6'-dihydroxy-2',5',5',8'a-tetramethyl-7-oxo-3,3',4',4'a,5,6',7',8'-octahydro-2'h-spiro[furo[2,3-f]isoindole-2,1'-naphthalen]-6-yl]pentanedioic acid
(2s)-2-[(2s,2's,4'as,6'r,8'as)-4,6'-dihydroxy-2',5',5',8'a-tetramethyl-7-oxo-3,3',4',4'a,5,6',7',8'-octahydro-2'h-spiro[furo[2,3-f]isoindole-2,1'-naphthalen]-6-yl]pentanedioic acid
(2r,3s,6r)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate
(2r,3s,6r)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (3r)-3-hydroxy-3-(3-methylbutyl)butanedioate