Synonyms: 2-amino-9-[(3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one;ETV;6H-Purin-6-one, 2-amino-1,9-dihydro-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-;2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one;SQ 34676;BMS 200475;Baraclude;6H-Purin-6-one,2-amino-1,9-dihydro-9- [(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2- methylenecyclopentyl]-;Taizhou hikong chemical sell Entecavir;Entecavi;Enteca;Entecavir(monohydrate)--Crude Product;