AIDS-190233 AIDS190233 Cf1671 Methyl N-{({(1S,4R)-4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]cyclopent-2-en-1-yl}methoxy)[4-(2,2,3-trimethoxy-3-oxopropyl)phenoxy]phosphoryl}-L-alaninate