6H-Purin-6-one, 2-amino-1,9-dihydro-9-(2-C-methyl-beta-D-ribofuranosyl)- 9-[(3R)-3,4-Dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]-2-aminohydropurin-6-one AIDS-162358 AIDS162358 Guanosine analog WO-00192282