N-((S)-1,2-dimethoxy-10-(methylsulfonyl)-9-oxo-3-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)acetamide; 10-S-Methylsulfonyl Thiocolchicoside; N-[(7S)-3-(?-D-Glucopyranosyloxy)-5,6,7,9-tetrahydro-1,2-dimethoxy-10-(methylsulfonyl)-9-oxobenzo[a]heptalen-7-yl]acetamide