4,4-dimethyl-2-thiophen-2-yl-5H-1,3-oxazole

4-phenyl-4H-thieno[2,3-c]furan-6-one

1-(2-hydroxyphenyl)-3-thiophen-2-ylpropane-1,3-dione

5-丙基-2-噻吩羧酸

N-(4-甲氧基苯基)-2-噻吩羧酰胺