NCGC00178317-01NCGC00178317-04PD161796(phosphonoformate)Trisodium phosphonoformateAB00053618_02Q27127156trisodium dioxidophosphinecarboxylate oxide with 6 molecules of water(foscarnet)Antiviral agent : Inhibitor of reverse transcriptase of Human T-cell lymphotropic, virus type III, useful in the treatment of HSV-1 infections