1202793-22-3
ethyl 3-(tert-butoxycarbonylamino)furo[2,3-c]pyridine-2-carboxylate
→
~67%
927804-72-6
3-氨基呋喃并2,3-c吡啶-2-羧酸乙酯
105-36-2
溴代乙酸乙酯
+
87032-82-4
3-羟基异烟腈
~54%
623-50-7
乙醇酸乙酯
13958-98-0
3-溴-4-氰基吡啶