6-Chloro-9-[(1R,4S)-4-[(1,1-dimethylethoxy)methyl]-2-cyclopenten-1-yl]-9H-purin-2-amine

6-?Chloro-?9-?[(1R,?4S)?-?4-?[(1,?1-?dimethylethoxy)?methyl]?-?2-?cyclopenten-?1-?yl]?-?9H-?purin-?2-?amine is an intermediate in synthesizing N6-Cyclopropyl-9-[(1R,4S)-4-[(1,1-dimethylethoxy)methyl]-2-cyclopenten-1-yl]-9H-purine-2,6-diamine (Abacavir EP Impurity F) (C989915), an impurity of Abacavir (A104990), a guanosine analog that inhibits reverse transcriptase (NRTI)?(1,2).