英文同义词: | 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate;Entecavir (1R,3R,4S) Diastereomer;(1R,3R,4S);2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2- methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one;Entecavir impurity A -F;2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one;Entecavir EP Impurity A;Cave Impurity B |