1-.beta.-D-Ribofuranosyl-1,2,4-triazolo-3-carboxamide & 2,3'-Dideoxyguanosine 1H-1,2,4-Triazole-3-carboxamide, 1-.beta.-D-ribofuranosyl- & Guanosine, 2',3'-dideoxy- 36791-04-5 85326-06-3 AIDS-000866 AIDS000866 Ribavirin & ddG