2-((4R)-5,5-dimethyl-4-{N-[(2-methylphenyl)methyl]carbamoyl}(1,3-thiazolidin-3-yl))(1S)-1-{(1S)-1-[2-(2,6-Dimethylphenoxy)acetylamino]-2-phenylethyl}-2-oxoethyl 4-{N-[2-({[3-(azadiazomvinyl)-5-(5-methyl-2,4-dioxo(1,3-dihydropyrimidinyl))oxolan-2-yl]methyl}oxycarbonyl)ethyl]carbamoyl}butanoate AIDS-109081 AIDS109081