Entecavir Impurity 8

Chemical Name: (1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentan-1-ol

Synonym: 2-acetyl-2-decarbamoyldoxycycline ; (4S,4aR,5S,5aR,6R,12aS)-2-Acetyl-4-(dimethylamino)-3,5,10,12,12a-pentahydroxy-6-methyl-4a,5a,6,12a-tetrahydrotetracene-1,11(4H,5H)-dione

Smile: O[C@@H]([C@H](COCC1=CC=CC=C1)[C@@H](OCC2=CC=CC=C2)C3)[C@H]3N4C=NC(C4=NC(NC(C5=CC=CC=C5)(C6=CC=C(OC)C=C6)C7=CC=CC=C7)=N8)=C8OCC9=CC=CC=C9