76129-13-0 BRN 5323103 Benzamide, 4-nitro-N-(5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo(a)heptalen-7-yl)- COLCHICINE, N-DEACETYL-N-(p-NITROBENZOYL)- N-Deacetyl-N-(p-nitrobenzoyl)colchicine NSC 309696