2-[3-(2-Amino-thiazol-4-ylmethyl)-3-methyl-ureido]-N-{(1S,2S,3S,4S)-1-benzyl-2,3-dihydroxy-4-[3-methyl-2-(3-methyl-3-thiazol-4-ylmethyl-ureido)-butanoylamino]-5-phenyl-pentyl}-3-methyl-butyramide AIDS-045779 AIDS045779 Diol-based HIV Protease inhibitor Derivative