77096-41-4 Benzo[a]heptalene, L-lysine deriv. COLKHISIN Colchizin L-Lysine, N6-[7-(acetylamino)-5,6,7,9-tetrahydro-1,2,3-trimethoxy-9-oxobenzo[a]heptalen-10-yl]- methyl ester, (S)- NSC183738