5-(2-噻吩)-1,3-环己二酮

1,5-二-(2-噻吩基)-1,4-戊二烯-3-酮

1-bromo-4-thiophen-2-ylbut-3-en-2-one

4-thiophen-2-yl-1-(triphenyl-λ⁵-phosphanylidene)but-3-en-2-one

4-(5-nitrothiophen-2-yl)but-3-en-2-one