6-chloro-4-(2-cyclopropyl-1-ethynyl)-4-trifluoromethyl-(4S)-1,4-dihydro-2H-benzo[d][1,3]oxazin-2-one
(S)-6-chloro-4-(Cyclopropylethynyl)-1,4-dihydro-(S)-6-chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one