7336-44-9 B631861F037K145 Benzo(a)heptalen-9(5H)-one, 7-dimethylamino-6,7-dihydro-1,2,3,10-tetramethoxy-, (S)- COLCHICINE, N-DEACETYL-N,N-DIMETHYL- Demecolcine, N-methyl- Methylademecolcine, N- N-Deacetyl-N,N-dimethylcolchicine N-Methylcolchamine N-Methyldemecolcine NSC 403150