95-54-5
1,2-苯二胺
+
762-42-5
丁炔二酸二甲酯
→
~96%
33350-84-4
methyl 2-(3-oxo-1,4-dihydroquinoxalin-2-ylidene)acetate
~23%
54107-99-2
dimethyl quinoxaline-2,3-dicarboxylate