74647-09-9
→
~70%
74637-16-4
ethyl 3,5-dioxopiperidine-1-carboxylate
541-41-3
氯甲酸乙酯
+
74647-23-7
3,5-哌啶二酮盐酸盐
50866-56-3
1-苄基-3,5-哌啶二酮
73385-13-4
1-benzylpiperidine-3,5-dione,hydrochloride