发明人钱学锋,郑宇鹏,黄志刚. "Method for the Synthesis of Ethyl 3-oxo-3,4-dihydroquinoxaline-1(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 115291728 B, 授权公告日 2018-08-11.
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