AIDS-089069 AIDS089069 [3S-[2-[2S*,4R*(and S*),3.alpha.,4a.beta.,8a.beta.]-N-[5-[3-[[(1,1-Dimethylethyl)amino]carbonyl]-octahydro-2(1H)-isoquinolinyl]-4-hydroxy-1-oxo-2-(phenylmethyl)pentyl]-L-isoleucine methyl ester