133933-46-7
→
88221-12-9
4-(2-噻吩)-2-吡咯烷酮
13979-15-2
2-Propenoic acid, 3-(2-thienyl)-, ethyl ester
+
133933-56-9
ethyl 4-amino-3-(thiophen-2-yl)butanoate
88221-22-1
5-ethoxy-3-thiophen-2-yl-3,4-dihydro-2H-pyrrole