(4R)-N-[(5R)-6,7-Dihydro-5H-cyclopenta[b]pyridin-5-yl]-3-{(2S,3S)-2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4-phenylbutanoyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxamide AIDS-190378 AIDS190378