701278-07-1

Entecavir Impurity 164 4-Dimethylphenylsilyl-Entecavir 4-Dehydroxy-4-diMethylphenylsilyl Entecavir 2-amino-9-[4-[dimethyl(phenyl)silyl]-3-(hydroxymethyl)-2-methylenecyclopentyl]-3H-purin-6-one 2-amino-9-[(1S,3R,4S)-4-[dimethyl(phenyl)silyl]-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one 2-Amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-3-(hydroxymethyl)-2-methylenecyclopentyl]-1,9-dihydro-6H-purin-6-one 6H-Purin-6-one,2-amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-3-(hydroxymethyl)-2-methylenecyclopentyl]-1,9-dihydro-