(R)-9-(2-Phosphonylmethoxypropyl)adenine (R)-PMPA 107021-12-5 (UNDEFINED STEREOCHEMISTRY) 147127-20-6 206184-49-8 (HYDRATE) 9-PMPA AIDS-021800 AIDS021800 Apropovir GS1278 PMPA Phosphonic acid, [[(1R)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]- TFV Tenofovir