1-.Beta.-D-Ribofuranosyl-1,2,4-triazole-3-carboximidine hydrochloride 119567-79-2 40372-00-7 (HYDROCHLORIDE) AIDS-000198 AIDS000198 ICN 3142 NSC627433 (HYDROCHLORIDE SALT) Prodrug of Ribavirin Ribamidine Ribavirin amidine Viramidine