2731-23-9 4-14-00-00955 (Beilstein Handbook Reference) BRN 2786590 COLCHICINE, N-DEACETYL-N-FORMYL-10-THIO- N-(Formyldeacetyl)thiocolchicine N-Deacetyl-N-formyl-10-thiocolchicine NSC 373031