(4R)-N-[(5-Chloro-1-benzothien-3-yl)methyl]-3-{(2S,3S)-2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4-phenylbutanoyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxamide AIDS-190350 AIDS190350