2-[4-(trifluoromethyl)phenyl]thiophene

5,5-二乙酰基-2,2-联噻吩

1-(5'-chloro-2,2'-bithiophene-5-yl)ethanone

2-(2-噻嗯基)呋喃

1,2-二(2-噻吩基)乙炔