4-[[[3-[3-[[(1,1-Dimethylethyl)amino]carbonyl]decahydro-2-isoquinolinyl]-2-hydroxypropyl]amino]carbonyl]-5,5-dimethyl-.alpha.-[(phenylacetyl)amino]-N-[2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl]-2- AIDS-006819 AIDS006819 Penicillin, 2Isoquin-OHPrNH2 analog