4-[[[3-[3-[[(1,1-Dimethylethyl)amino]carbonyl]decahydro-2-isoquinolinyl]-2(S)-hydroxypropyl]amino]carbonyl]-5,5-dimethyl-.alpha.-[(phenylacetyl)amino]-N-[4-(dimethylamino)phenylmethyl]-2- AIDS-006816 AIDS006816 Penicillin, 2Isoquin-OHPrNH2 analog