Colchicine EP Impurity A

(S)-N-(1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)forma|Colchicine EP Impurity A (N-Desacetyl-N-Formyl Colchicine)|Colchicine, deacetyl-N-formyl- (6CI)|Colchicine, N-deacetyl-N-formyl- (7CI,8CI)|Formamide, N-(5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl)-, (S)- Benzo[a]heptalene, formamide deriv.|Formamide, N-​[(7S)​-​5,​6,​7,​9-​tetrahydro-​1,​2,​3,​10-​tetramethoxy-​9-​oxobenzo[a]​heptalen-​7-​yl]​-|Gloriosine ;N-Deacetyl-N-formylcolchicine|Gloriosine; N-Formyl-N-deacetylcolchicine|N-[(10S)-3,4,5,14-tetramethoxy-13- oxo,4,6,11,14- hexaen-10-yl]formamide|N-[(7S,12aRa)-1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]formamide|N-[(7S)-5,6,7,9-Tetrahydro-1,2,3,10-tetramethoxy-9 ;oxobenzo[a]heptalen-7-yl]formamide|N-[(7S)-5,6,7,9-Tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl]formamide;|N-Deacetyl-N-formyl Colchicine|N-Formyl-N-deacetylcolchicine|N-Formyl-N-desacetylcolchicine|N-Formyldeacetylcolchicine