461023-63-2 (HCL) 461443-59-4 (NEUTRAL) AIDS-043673 AIDS043673 AK 602 AK-602 AK602 Aplaviroc Benzoic acid, 4-[4-[[1-butyl-3-[(R)-cyclohexylhydroxymethyl]-2,5-dioxo-1,4,9-triazaspiro[5.5]undec-9-yl]methyl]phenoxy]- GSK873140 GW873140 ONO-4128