(component of) Trizivir 1592U89 sulfate 188062-50-2 2-Cyclopentene-1-methanol, 4-(2-Amino-6-(cyclopropylamino)-9H-purin-9-yl)-, sulfate (salt)(2:1), (1S,4R)- ABC sulfate Abacavir sulfate Abacavir sulfate [USAN] DRG-0257 Epzicom HSDB 7154 Trizivir Ziagen