2',3'-Dideoxycytidine & N^1-[3-[3-[[(1,1-Dimethylethyl)amino]carbonyl]octahydro-2(1H)-isoquinolinyl]-2-hydroxy-1-(phenylmethyl)propyl]-2-[(2-quinolinylcarbonyl)amino]-butanediamide-[3S-[2(1R*(R*),2S*],3.alpha.4a.beta.,8a.beta] AIDS-005898 AIDS005898 ddC & Ro 31-8959