英文别名ent-Abacavir; (1R,4S)-Abacavir; Abacavir Impurity 1; Abacavir EP Impurity A; 2-Cyclopentene-1-methanol,4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]-,(1R-cis); Abacavir enantiomer; Rel-((1R,4S)-4-(2-Amino-6-(cyclopropylamino)-9H-purin-9-yl)cyclopent-2-en-1-yl)methanol; Abacavir sulfate impurity A