4-[[[3-[3-[[(1,1-Dimethylethyl)amino]carbonyl]decahydro-2-isoquinolinyl]-2(S)-hydroxypropyl]amino]carbonyl]-5,5-dimethyl-.alpha.-[(phenylacetyl)amino]-2-thiazolidineacetamide, [2R-[2.alpha.(S*),4. AIDS-006815 AIDS006815 Penicillin, 2Isoquin-OHPrNH2 analog