2-amino-9-((1S,3R,4S)-3-((benzyloxy)methyl)-4-(dimethyl(phenyl)silyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-one;2-Amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-2-methylene-3-[(phenylmethoxy)methyl]cyclopentyl]-1,9-dihydro-6H-purin-6-one; Entecavir Impurity F (EP); Entecavir EP Impurity F;6-O-Benzyl-4-dehydroxy-4-dimethylphenylsilyl Entecavir
