(S)-((2-(2,6-Diamino-9H-purin-9-yl)-1-(hydroxymethyl)ethoxy)methyl)phosphonic acid 113852-35-0 9-(3-Hydroxy-2-(phosphonylmethoxy)propyl)-2,6-diaminopurine 9-(3-Hydroxy-2-phosphonomethoxypropyl)-2,6-diaminopurine Hpmpdap Phosphonic acid, ((2-(2,6-diamino-9H-purin-9-yl)-1-(hydroxymethyl)ethoxy)methyl)-, (S)-