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 0.0002 dalton. Try search metabolite list with more accurate mass tolerance error
4.0E-5 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