... 5.Free same 1.Thiocolchicoside 2.CAS:602-41-5 3.M.F.:C27H33NO10S 4.Appearance;White or light yellow powder 5 ... YL)-ACETAMIDE;n-(5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl)-acetamide; ... Colchicine;Acetamide, N-(5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo(alpha)heptalen-7-yl)-CAS:64 ... , N-[(7S)-5,6,7,9-tetrahydro- 1,2,3,10-tetramethoxy-9-oxobenzo[ a]heptalen-7-yl]-(64-86 ...