(2R)-2-[(3S,4S)-3-({4-[3-(3-Cyano-4-methoxybenzyl)-1-ethyl-1H-pyrazol-5-yl]piperidin-1-yl}methyl)-4-(3-fluorophenyl)pyrrolidin-1-yl]-3,3-dimethylbutanoic acid AIDS-193254 AIDS193254