24202-76-4
4-carbamoyl-nicotinic acid methyl ester
→
~57%
87544-83-0
methyl 4-cyanopyridine-3-carboxylate
151-50-8
氰化钾
+
91074-38-3
75358-89-3
2-氰基吡啶-3-甲酸甲酯