51991-77-6
2-benzamido-4,5-dihydro-3-thiophenecarbonitrile
→
~89%
21004-40-0
2-phenyl-5,6-dihydro-3H-thieno[2,3-d]pyrimidin-4-one
29108-14-3
ethyl 5-amino-2,3-dihydrothiophene-4-carboxylate
+
825-60-5
苯甲亚胺酸乙酯盐酸盐