6-苄氧基-9-((1S,3R,3S)-4-苄氧基-3-苄氧基甲基-2-亚甲基环戊基)-N-((4-甲氧基苯基)二苯基甲基)-9H-嘌呤-2-胺

恩替卡韦中间体N7, 恩替卡韦-7, 恩替卡韦中间体7, 恩替卡韦中间体-7, E7, 恩替卡韦中间体E7, 6-苄氧基-9-((1S,3R,4S)-4-苄氧基-3-苄氧基甲基-2-亚甲基环戊基)-N-((4-甲氧基苯基)二苯基甲基)-9H-嘌呤-2-胺, 6-苄氧基-9-((1S,3R,3S)-4-苄氧基-3-苄氧基甲基-2-亚甲基环戊基)-N-((4-甲氧基苯基)二苯基甲基)-9H-嘌呤-2-胺(N7)

6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine

6-(Benzyloxy)-9-(1S,3R,3S)-4-(benzyloxy)-3-(benzyoxymethyl)-2-methylenecyclopentyl)-N-N-(4-methyoxyphenyl)diaphenylmethyl)-9H-purin-2-amine, 6-(benzyloxy)-9-(1S,3R,3S)-4-(benzyloxy)_3-(benzyoxymethyl)-2-methylenecyclopentyl)-N-N-(4-methyoxyphenyl)diaphenylmethyl)-9H-purin-2-amino, Entecavir intermediate N7, 6-(benzyloxy)-9-((1S,3R,4S)-4-(benzyloxy)-3-((4-methylbenzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine, Entecavir intermediate 7, N-(6-benzyloxy)-9-((1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-6,9-dihydro-1H-purin-2yl)-1,1-diphenyl-N-p-tolylmethanediamine, 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine(E7), E7, 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxy phenyl)diphenylmethyl)-9H- purin-2-amine, N[(4-Methoxyphenyl)diphenylMethyl]-9-[(1S,3R,4S)-2-Methylene-4-(benzyloxy)-3-[(benzyloxy)Methyl]cyclopentyl]-6-(benzyloxy)-9H-Purin-2-aMine, 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine, 6-(Benzyloxy)-9-((1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine