N6-Cyclopropyl-9-{(1R,4S)-4-[(2,5-diamino-6-chloropyrimidin-4-yloxy)methyl]cyclopent-2-enyl}-9H-purine-2,6-diamine,

6-(Cyclopropylamino)-9-[(1R,4S)-4-[[(2,5-diamino-6-chloropyrimidin-4-yl)oxy]methyl]cyclopent-2-enyl]-9H-purine-2-amine,

Abacavir Related Compound D