3-phenyl-2H-1,4-benzoxazin-2-ol

1-phenoxazin-10-ylethanone

5,6-dinitro-2-phenyl-1,3-benzoxazole

2-[2-(1,3-benzoxazol-2-yl)ethyl]isoindole-1,3-dione

1,3-benzoxazol-2-yl-(4-chlorophenyl)methanone