Thiocolchicoside EP Impurity L

Chemical Name: N-[(7S,12aSa)-3-(β-d-glucopyranosyloxy)-1,2-dimethoxy-10-(methylsulfanyl)-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide (12aSa-thiocolchicoside).

Smile: O[C@@H]1[C@@H](CO)O[C@@H](OC2=C(OC)C(OC)=C(C3=C2)C(C([C@@H](CC(C)=O)CC3)=C4)=CC=C(SC)C4=O)[C@H](O)[C@H]1O