(S)-6-chloro-4-(cyclopropylethynyl)-8-hydroxy-4-(trifluoromethyl)-1H-benzo[d][1,3]oxazin-2(4H)-one; (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-8-hydroxy-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one; 8-Hydroxyefavirenz
(S)-6-chloro-4-(cyclopropylethynyl)-8-hydroxy-4-(trifluoromethyl)-1H-benzo[d][1,3]oxazin-2(4H)-one; (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-8-hydroxy-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one; 8-Hydroxyefavirenz