66568-83-0 BENZO(a)HEPTALEN-9(5H)-ONE, 6,7-DIHYDRO-1,2,3-TRIMETHOXY-10-(METHYLTHIO)-7-((2,3 BRN 5233750 Benzo(a)heptalen-9(5H)-one, 6,7-dihydro-1,2,3-trimethoxy-10-(methylthio)-7-((2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyl)amino)-, (S)- Colchicine, N-deacetyl-10-demethoxy-N-(tetra-O-acetyl-beta-D-glucopyranosyl)-10-(methylthio)-