7-溴-4甲基-3,4-二羟基-2H-1,4-苯并恶嗪

5,5-二甲基-2,2-并噻吩

2-(5-methylthiophen-2-yl)benzoxazole

1,4-二苯基丁二炔

Benzoxazole, 2-(phenylethynyl)-