79958-81-9
→
~74%
35141-14-1
1,4-dimethylpiperazine-2,3,5,6-tetrone
79-37-8
草酰氯
+
593-51-1
盐酸甲胺
71-43-2
苯
7697-37-2
硝酸
50501-11-6
3,6-dibenzylidene-1,4-dimethylpiperazine-2,5-dione
64-19-7
乙酸
5076-82-4
肌氨酸酐
54918-47-7
5,6-dichloro-1,4-dihydro-1,4-dimethylpyrazine-2,3-dione
600-39-5
N',N'-dimethyloxamide
620-81-5
草酰苯胺