(2R,3R)-2-[(3S,4S)-3-[(4-{3-[4-(Cyclopropyloxy)benzyl]-1-ethyl-1H-pyrazol-5-yl}piperidin-1-yl)methyl]-4-(3-fluorophenyl)pyrrolidin-1-yl]-3-methylpentanoic acid AIDS-193213 AIDS193213