498-94-2
4-哌啶甲酸
+
98-88-4
苯甲酰氯
→
~87%
5274-99-7
1-苯甲酰哌啶-4-羧酸
1126-09-6
4-哌啶甲酸乙酯
136081-74-8
1-苯甲酰基-4-哌啶羧酸乙酯