(S)-(5,6,7,9-TETRAHYDRO-1,2,3,10-TETRAMETHOXY-9-OXOBENZO[A]HEPTALEN-7-YL)CARBAMIC ACID, ETHYL ESTER COLCHICINE, N-CARBETHOXY-DEACETYL Carbamic acid, (5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl)-, ethyl ester, (S)- Carbamic acid, 5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl-, ethyl ester, (S)- NSC355637