Synonyms: | Entecavir Impurity 3;Entecavir impurity RRR;6H-Purin-6-one, 2-amino-9-[(3aR,4R,6S,6aS)-hexahydro-3a,6-dihydroxy-1H-cyclopenta[c]furan-4-yl]-1,9-dihydro-, rel-;2-amino-9-((3aR,4R,6S,6aS)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-1,9-dihydro-6H-purin-6-one |