Etoposide EP Impurity G

Chemical Name: (5R,5aR,8aR,9S)-5-[4-[[(benzyloxy)carbonyl]oxy]-3,5-dimethoxyphenyl]-9-[[4,6-O-[(1R)-ethane-1,1-diyl]-2,3-di-O-formyl-b-D-glucopyranosyl]oxy]-5,8,8a,9-tetrahydro[2]benzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one (4’-carbobenzoyloxydiformyl-ethylidene-lignan P)

Smile: O=C1[C@@]([C@H](C2=CC(OC)=C(OC(OCC3=CC=CC=C3)=O)C(OC)=C2)C4=C5C=C(OCO6)C6=C4)([H])[C@]([C@@H]5O[C@H]7[C@@H]([C@H]([C@@H]([C@@H](CO8)O7)O[C@@H]8C)OC=O)OC=O)([H])CO1