13297-35-3
3-ethyl-1H-quinoxalin-2-one
→
~86%
77186-62-0
2-氯-3-乙基喹噁啉
63186-18-5
ethyl 2-(3-oxo-4H-quinoxalin-2-yl)propanoate
95-54-5
1,2-苯二胺