5-(4-Chlorophenyl)-6-ethyl-2,4-pyrimidinediamine & 2,4,7,12-Tetraazatridecan-13-oic acid, 10-hydroxy-2-methyl-5-(1-methylethyl)-1-[2-(1-methylethyl)-4-thiazolyl]-3,6-dioxo-8,11-bis(phenylmethyl)-, 5-thiazolylmethyl ester, [5S-(5R*,8R*,10R*,11R*)]- AIDS-094904 AIDS094904 PYR & Ritonavir Pyrimethamine & Ritonavir