1H-Indole-1-pentanoic acid, 2-[[[(1R)-2-[[2-(2-chlorophenyl)ethyl]amino]-1-(mercaptomethyl)-2-oxoethyl]amino]carbonyl]octahydro-g-[[(2-methylpropoxy)carbonyl]amino]-d-oxo-, (gR,2S)- AIDS-171050 AIDS171050