AIDS-190591 AIDS190591 tert-Butyl 3-({[(1S,2S)-1-benzyl-3-((4R)-5,5-dimethyl-4-{[(2-methylbenzyl)amino]carbonyl}-1,3-thiazolidin-3-yl)-2-hydroxy-3-oxopropyl]amino}carbonyl)piperidine-1-carboxylate