N-[(7S)-3-(β-D-Glucopyranosyloxy)-5,6,7,9-tetrahydro-1,2-dimethoxy-10-(methylthio)-9-oxobenzo[a]heptalen-7-yl]acetamide; (S)-N-[3-(β-D-Glucopyranosyloxy)-5,6,7,9-tetrahydro-1,2-dimethoxy-10-(methylthio)-9-oxobenzo[a]heptalen-7-yl]acetamide ; CAS

Colchicine ; N-[(7S,12aRa)-1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide ; CAS # 64-86-8 ;

Thiocolchicine ; N-[(7S,12aRa)-1,2,3-Trimethoxy-10-(methylsulfanyl)-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide ; CAS # 2730-71-4 ;

3-O-Demethyl Thiocolchicine ; N-[(7S,12aRa)-3-Hydroxy-1,2-dimethoxy-10-(methylsulfanyl)-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide ; CAS # 87424-25-7 ;

Colchicoside ; Colchicine EP Impurity D ; Colchicine BP Impurity D ; N-[(7S,12aRa)-3-(-D-Glucopyranosyloxy)-1,2,10-trimethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide ; CAS # 477-29-2 ;

N-Deacetyl N-Formyl Thiocolchicoside ; N-[(7S,12aRa)-3-(�-D-Glucopyranosyloxy)-1,2-dimethoxy-10-(methylsulfanyl)-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]formamide ; CAS # 219547-29-2 ;

N-Desacetyl Thiocolchicoside ; (7S,12aRa)-7-Amino-3-(�-D-glucopyranosyloxy)-1,2-dimethoxy-10-(methylsulfanyl)-6,7-dihydrobenzo[a]heptalen-9(5H)-one ; CAS # 177991-81-0 ;

10-Demethoxy Colchicoside ; N-[(7S,12aRa)-3-(�-D-Glucopyranosyloxy)-1,2-dimethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide ;

Thiocolchicoside S-Oxide ; N-[(7S,12aRa)-3-(�-D-Glucopyranosyloxy)-1,2-dimethoxy-10-(methylsulfinyl)-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide ; CAS # 1359973-79-7 (S-Isomer) ;

N-[(7S)-5,6,7,9-Tetrahydro-1,2-dimethoxy-10-(methylthio)-9-oxo-3-[(2,3,4,6-tetra- O-acetyl-β-D-glucopyranosyl)oxy]benzo[a]heptalen-7-yl]acetamide ; CAS # 163956-01-2 ;