95-92-1
乙二酸二乙酯
+
110-70-3
N,N'-二甲基乙二胺
→
~98%
59417-06-0
1,4-二甲基哌嗪-2,3-二酮
553-90-2
草酸二甲酯
~87%
98778-10-0
4,7-dimethyl-3-oxido-5,6-dihydro-[1,2,5]oxadiazolo[3,4-b]pyrazin-3-ium