Similar names: (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one; (4S)-6-chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one; (S)-6-chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one; (-)-Efavirenz; (S)-4-(2-Cyclopropylethynyl)-6-chloro-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazin-2-one; (S)-4-(Cyclopropylethynyl)-6-chloro-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazin-2-one; (S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one; DMP 266; EFV; Efavirenz; L 743726; Stocrin; Sustiva