109-01-3
N-甲基哌嗪
→
~54%
34770-60-0
1-甲基-3-氧代哌嗪
131543-46-9
alpha-ketodiacetal
+
109-81-9
N-甲基乙二胺
~47%
5625-67-2
2-哌嗪酮
50-00-0
甲醛