1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5-hydroxy-1H-imidazole-4-carboxylic acid amide and 6H-purin-6-one, 2-amino-1,9-dihydro-9-[(2-hydroxyethoxy)methyl]- ACV + MZR AIDS-189945 AIDS189945