Synonyms: Acetamide,N-(4-formyl-5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl)-,(S)-; Colchicine, 1-formyl- (7CI); Colchicine, 4-formyl- (8CI);Benzo[a]heptalene, acetamide deriv.; 1-Colchicinecarboxaldehyde;4-Formylcolchicine; NSC 328403