2971-79-1
4-哌啶甲酸甲酯
+
79-22-1
氯甲酸甲酯
→
869189-69-5
二甲基哌啶-1,4-二羧酸
774234-23-0
1,4-bis(methoxycarbonyl)piperidine-4-carboxylate
923020-98-8
dimethyl 4-carbonochloridoylpiperidine-1,4-dicarboxylate