A17 AIDS-082146 AIDS082146 Phosphoric acid 5-(2-amino-6-oxo-1,6-dihydro-purin-9-yl)-3-hydroxy-4-methoxy-tetrahydro-furan-2-ylmethyl ester 5-(2-amino-6-oxo-1,6-dihydro-purin-9-yl)-2-hydroxymethyl-tetrahydro-furan-3-yl ester dGprG2'OMe