(S)-1-[(2S,4R)-4-((Z)-(1S,5R)-2-But-2-enylidene-5-hydroxy-3-methylene-cyclopentylcarbamoyl)-2-hydroxy-5-phenyl-pentyl]-4-pyridin-3-ylmethyl-piperazine-2-carboxylic acid tert-butylamide & {(S)-1-[N'-[(2S,3S)-2-Hydroxy-3-((S)-2-methoxycarbonylamino-3,3-dimethyl-butanoylamino)-4-phenyl-butyl]-N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-2,2-dimethyl-propyl}-carbamic acid methyl ester AIDS-032088 AIDS032088 BMS-232632 & Indinavir