4,5-二氢环戊并[b]噻吩-6-酮

3-噻吩丙酸

噻吩并[2,3-c]吡啶-7(6h)-酮

5-hydroxy-5-methyl-4H-cyclopenta[b]thiophen-6-one

3-(3-噻吩)-丙烯酰氯