766-39-2
2,3-二甲基马来酸酐
→
~99%
5754-17-6
4,5-二甲基-3,6-二羟基哒嗪
63751-07-5
1-amino-3,4-dimethylpyrrole-2,5-dione
+
6903-90-8
3,4,3',4'-tetramethyl-[1,1']bipyrrolyl-2,5,2',5'-tetraone