Synonyms: 7-Acetamido-10-hydroxy-1,2,3-trimethoxy-6,7-dihydrobenzo(a)heptalen-;Benzo(a)heptalen-10(5H)-one, 7-acetamido-6,7-dihydro-9-hydroxy-1,2,3-trimethoxy-;Benzo(a)heptalen-9(5H)-one, 7-acetamido-6,7-dihydro-10-hydroxy-1,2,3-trimethoxy-;N-Acetyl trimethylcolchicinic acid;O10-Demethylcolchicine;Acetamide, N-(5,6,7,9-tetrahydro-10-hydroxy-1,2,3-trimethoxy-9-oxobenzo(a)heptalen-7-yl)-, (S)- (9CI);O-Demethylcolchicine