2-phenyl-2,3-dihydrobenzoxazole

2-(4-methoxyphenyl)-2,3-dihydrobenzo[d]oxazole

ethyl (3'-oxo-3',4'-dihydro-2'H-1',4'-benzoxazin-2'-yl)acetate

4,8-二羟基喹啉

四氟邻苯醌