(4R)-3-{(2S,3S)-2-Hydroxy-4-phenyl-3-[({[2-(trifluoromethyl)benzyl]amino}carbonyl)amino]butanoyl}-5,5-dimethyl-N-[2-(trifluoromethyl)benzyl]-1,3-thiazolidine-4-carboxamide AIDS-190441 AIDS190441