1-[2',3'-Dideoxy-3'-C-(hydroxymethyl)-.beta.-D-erythro-pentofuranosyl]guanine 133713-61-8 2',3'-Dideoxy-3'-hydroxymethyl guanosine 3'-Hydroxymethyl-DDG AIDS-000956 AIDS000956 Guanosine, 2',3'-dideoxy-3'-(hydroxymethyl)-