(4S)-6-Chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-benzo[d][1,3]oxazin-2-one & 11-Cyclopropyl-4-methyl-5,11-dihydro-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one AIDS-121647 AIDS121647 BIRG 0587;BI-RG-587 BIRG 587 BIRG-587 DMP 266 DMP-266 EFV Efavirenz L-743,726 NVP Nevirapine Strocin Sustiva Viramune