Synonyms: Buciclovir;2-Amino-9-[(R)-3,4-dihydroxybutyl]-1,9-dihydro-6H-purin-6-one;(R)-9-(3,4-Dihydroxybutyl)guanine;2-Amino-9-((R)-3,4-dihydroxybutyl-9H-purin-6(1H)-on;6H-Purin-6-one, 2-amino-9-(3,4-dihydroxybutyl)-1,9-dihydro-, (R)-;83470-64-8 (No stereo);Bcv;Buciclovirum