137076-22-3
1-Boc-哌啶-4-甲醛
→
913642-47-4
tert-butyl 4-[cyano(hydroxy)methyl]piperidine-1-carboxylate
5804-85-3
二乙基氰化铝
+
301221-57-8
4-(2-氨基-1-羟基)哌啶-1-甲酸叔丁酯