759-65-9
草酰丙酸二乙酯
+
95-54-5
1,2-苯二胺
→
~82%
63186-18-5
ethyl 2-(3-oxo-4H-quinoxalin-2-yl)propanoate
105-37-3
正丙酸乙酯
77186-62-0
2-氯-3-乙基喹噁啉
15804-19-0
2,3-二羟基喹喔啉
13297-35-3
3-ethyl-1H-quinoxalin-2-one