((2-(6-Amino-9H-purin-9-yl)ethoxy)methyl)phosphonic acid 106941-25-7 9-(2-(Phosphonomethoxy)ethyl)adenine 9-(2-Phosphonylmethoxyethyl)adenine ADEFOVIR Adefovir [USAN:INN] BRN 3561094 DRG-0156 GS 0393 GS 393 GS-0393 N-(2-Phophonomethoxyethyl-2,6-diaminopurine) N-(2-Phosphonylmethoxyethyl)adenine PMEA Phosphonic acid, ((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)-