(1S–4R)-4-(2-amino-6-chloro-9H-purin-9-yl)-2-cyclopentene-1-methanol hydrochloride;Abacavir Related Compound C (20 mg) ([(1S,4R)-4-(2-amino-6-chloro-9H-purin-9-yl)cyclopent-2-enyl]methanol hydrochloride);(1S-cis)-4-(2-AMino-6-chloro-9H-purin-9-yl)-2-cyclopentene-1-Methanol Monohydrochloride;(1S,4R)-4-(2-AMino-6-chloro-9H-purin-yl)-2-cyclopentene-1-Methanol,HCl;[(1R,4S)-4-(2-Amino-6-chloro-9H-purin-9-yl)cyclopent-2-en-1-yl]methanol;((1S,4R)-4-(2-Amino-6-chloro-9H-purin-9-yl)cyclopent-2-en-1-yl)methanol hydrochloride;Abacavir Related CoMpound C;( Abacavir USP Related Compound C)