AIDS-224687 AIDS224687 PPi+EFV+AZTTP Pyrophosphoric acid & 2H-3,1-Benzoxazin-2-one, 6-chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-, (4S)- & Thymidine 5'-(tetrahydrogen triphosphate), 3'-azido-3'-deoxy-