4-[[[3-[3-[[(1,1-Dimethylethyl)amino]carbonyl]decahydro-2-isoquinolinyl]-2(R)-hydroxypropyl]amino]carbonyl]-5,5-dimethyl-.alpha.-[(phenylacetyl)amino]-N-(phenylmethyl)-2-thiazolidineacetamide, [2R- AIDS-006800 AIDS006800 Penicillin, 2Isoquin-OHPrNH2 analog