diethyl 2,4-diacetyl-3-thiophen-2-ylpentanedioate

2,2-dimethyl-5-(thiophen-2-ylmethyl)-1,3-dioxane-4,6-dione

4-溴-2-噻吩甲醛

2-[2-(2-噻吩基)乙基]苯甲酸

3-(2-噻吩基)-L-丙氨酸