(2S)-3-Hydroxy-2-phosphonylmethoxypropyl-cytosine (S)-1-[3-hydroxy-2-(phosphonylmethoxy)-propyl]cytosine (S)-HPMPC 113852-37-2 149394-66-1(DIHYDRATE) AIDS-001049 AIDS001049 CDV Cidofovir GS504 HPMPC Phosphonic acid, [[(1S)-2-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1-(hydroxymethyl)ethoxy]methyl]- Vistide