(4R)-3-[(2S,3S)-2-Hydroxy-3-({[(4-methyl-4H-1,2,4-triazol-3-yl)thio]acetyl}amino)-4-phenylbutanoyl]-5,5-dimethyl-N-(2-methylbenzyl)-1,3-thiazolidine-4-carboxamide AIDS-190642 AIDS190642