19212-35-2
→
~91%
15787-96-9
1-thiophen-2-ylprop-2-yn-1-one
30354-07-5
2-Propyn-1-one, 1-(2-thienyl)-3-(trimethylsilyl)-
98-03-3
2-噻吩甲醛
5271-67-0
2-噻吩甲酰氯