Colchicine EP Impurity A ; Colchicine BP Impurity A ; N-Deacetyl-N-Formyl Colchicine ; N-[(7S,12aRa)-1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]formamide ; 7411-12-3

Colchicine

Description