Synonyms: (-)-3-Demethylcolchicine;(S)-7-Acetylamino-6,7-dihydro-3-hydroxy-1,2,10-trimethoxybenzo[a]heptalen-9(5H)-one;3-Demethylcolchicine;3-O-Demethylcolchicine;N-[[(7S)-3-Hydroxy-1,2,10-trimethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalene]-7α-yl]acetamide;O3-Demethylcolchicine