Exact Mass: 421.21
Exact Mass Matches: 421.21
Found 18 metabolites which its exact mass value is equals to given mass value 421.21,
within given mass tolerance error 0.0002 dalton. Try search metabolite list with more accurate mass tolerance error
4.0E-5 dalton.
Oxystemokerrine N-oxide
Oxystemokerrine N-oxide
A natural product found in Stemona aphylla and Stemona.
4-(6-{6,7-dihydroxy-1,4,8-trimethyl-2,9-dioxabicyclo[3.3.1]nonan-3-yl}-1-hydroxy-4-methylhepta-2,4-dien-1-ylidene)-5-hydroxy-2h-pyrrol-3-one
4-(6-{6,7-dihydroxy-1,4,8-trimethyl-2,9-dioxabicyclo[3.3.1]nonan-3-yl}-1-hydroxy-4-methylhepta-2,4-dien-1-ylidene)-5-hydroxy-2h-pyrrol-3-one
(1r,2s,3s,6r,7s,14s)-7-ethyl-1-hydroxy-3-methyl-14-[(2s,4s)-4-methyl-5-oxooxolan-2-yl]-5-oxa-13-azatricyclo[11.2.1.0²,⁶]hexadecane-4,8,16-trione
(1r,2s,3s,6r,7s,14s)-7-ethyl-1-hydroxy-3-methyl-14-[(2s,4s)-4-methyl-5-oxooxolan-2-yl]-5-oxa-13-azatricyclo[11.2.1.0²,⁶]hexadecane-4,8,16-trione
(4z)-4-[(2e,4e,6r)-6-[(1s,3r,4r,5s,6r,7r,8r)-6,7-dihydroxy-1,4,8-trimethyl-2,9-dioxabicyclo[3.3.1]nonan-3-yl]-1-hydroxy-4-methylhepta-2,4-dien-1-ylidene]-5-hydroxy-2h-pyrrol-3-one
(4z)-4-[(2e,4e,6r)-6-[(1s,3r,4r,5s,6r,7r,8r)-6,7-dihydroxy-1,4,8-trimethyl-2,9-dioxabicyclo[3.3.1]nonan-3-yl]-1-hydroxy-4-methylhepta-2,4-dien-1-ylidene]-5-hydroxy-2h-pyrrol-3-one
(1r,2r,3r,6r,7r,10r)-2-ethyl-1-hydroxy-6-methyl-10-[(2r,4r)-4-methyl-5-oxooxolan-2-yl]-4-oxa-11-azatricyclo[9.4.1.0³,⁷]hexadecane-5,8,16-trione
(1r,2r,3r,6r,7r,10r)-2-ethyl-1-hydroxy-6-methyl-10-[(2r,4r)-4-methyl-5-oxooxolan-2-yl]-4-oxa-11-azatricyclo[9.4.1.0³,⁷]hexadecane-5,8,16-trione
10-ethyl-9-hydroxy-14-methyl-3-(4-methyl-5-oxooxolan-2-yl)-12,16-dioxa-4-azatetracyclo[7.6.1.1¹,⁴.0¹¹,¹⁵]heptadecane-13,17-dione
10-ethyl-9-hydroxy-14-methyl-3-(4-methyl-5-oxooxolan-2-yl)-12,16-dioxa-4-azatetracyclo[7.6.1.1¹,⁴.0¹¹,¹⁵]heptadecane-13,17-dione
7-ethyl-1-hydroxy-3-methyl-14-(4-methyl-5-oxooxolan-2-yl)-5-oxa-13-azatricyclo[11.2.1.0²,⁶]hexadecane-4,8,16-trione
7-ethyl-1-hydroxy-3-methyl-14-(4-methyl-5-oxooxolan-2-yl)-5-oxa-13-azatricyclo[11.2.1.0²,⁶]hexadecane-4,8,16-trione
(1r,2s,3s,6s,7r,10s)-2-ethyl-1-hydroxy-6-methyl-10-[(2s,4s)-4-methyl-5-oxooxolan-2-yl]-4-oxa-11-azatricyclo[9.4.1.0³,⁷]hexadecane-5,8,16-trione
(1r,2s,3s,6s,7r,10s)-2-ethyl-1-hydroxy-6-methyl-10-[(2s,4s)-4-methyl-5-oxooxolan-2-yl]-4-oxa-11-azatricyclo[9.4.1.0³,⁷]hexadecane-5,8,16-trione
(1s,2s,4s,6s,9s,10s,11r,13s,14r,16s,17r,18r,19s)-8-ethyl-2,10,11-trihydroxy-13,19-dimethoxy-5-oxa-8-azaheptacyclo[8.7.2.1¹⁴,¹⁷.0¹,⁹.0⁴,⁶.0⁶,¹⁸.0¹¹,¹⁶]icosan-15-one
(1s,2s,4s,6s,9s,10s,11r,13s,14r,16s,17r,18r,19s)-8-ethyl-2,10,11-trihydroxy-13,19-dimethoxy-5-oxa-8-azaheptacyclo[8.7.2.1¹⁴,¹⁷.0¹,⁹.0⁴,⁶.0⁶,¹⁸.0¹¹,¹⁶]icosan-15-one
(1s,3s,9s,10s,11r,14s,15s)-10-ethyl-9-hydroxy-14-methyl-3-[(2s,4s)-4-methyl-5-oxooxolan-2-yl]-12,16-dioxa-4-azatetracyclo[7.6.1.1¹,⁴.0¹¹,¹⁵]heptadecane-13,17-dione
(1s,3s,9s,10s,11r,14s,15s)-10-ethyl-9-hydroxy-14-methyl-3-[(2s,4s)-4-methyl-5-oxooxolan-2-yl]-12,16-dioxa-4-azatetracyclo[7.6.1.1¹,⁴.0¹¹,¹⁵]heptadecane-13,17-dione
(1s,6r,9r,10r,11r,12s)-6-[(1r)-1-hydroxypropyl]-13-[(2z)-4-methoxy-3-methyl-5-oxofuran-2-ylidene]-12-methyl-14,15-dioxa-5-azatetracyclo[7.5.1.0¹,¹¹.0⁵,¹⁰]pentadecan-5-ium-5-olate
(1s,6r,9r,10r,11r,12s)-6-[(1r)-1-hydroxypropyl]-13-[(2z)-4-methoxy-3-methyl-5-oxofuran-2-ylidene]-12-methyl-14,15-dioxa-5-azatetracyclo[7.5.1.0¹,¹¹.0⁵,¹⁰]pentadecan-5-ium-5-olate
2-ethyl-1-hydroxy-6-methyl-10-(4-methyl-5-oxooxolan-2-yl)-4-oxa-11-azatricyclo[9.4.1.0³,⁷]hexadecane-5,8,16-trione
2-ethyl-1-hydroxy-6-methyl-10-(4-methyl-5-oxooxolan-2-yl)-4-oxa-11-azatricyclo[9.4.1.0³,⁷]hexadecane-5,8,16-trione
(1r,6s,9s,10r,11r,12s)-6-[(1s)-1-hydroxypropyl]-13-[(2z)-3-methoxy-4-methyl-5-oxofuran-2-ylidene]-12-methyl-14,15-dioxa-5-azatetracyclo[7.5.1.0¹,¹¹.0⁵,¹⁰]pentadecan-5-ium-5-olate
(1r,6s,9s,10r,11r,12s)-6-[(1s)-1-hydroxypropyl]-13-[(2z)-3-methoxy-4-methyl-5-oxofuran-2-ylidene]-12-methyl-14,15-dioxa-5-azatetracyclo[7.5.1.0¹,¹¹.0⁵,¹⁰]pentadecan-5-ium-5-olate
