(-)-(2R,5R)-9-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]guanine 145986-44-3 2-OHMe 1,3-OxathiolanG deriv. 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2R-trans)- AIDS-004803 AIDS004803