发明人罗永刚,朱建伟,赵玉洁. "Method for the Synthesis of Ethyl 2-(4-(cyanomethyl)-3-oxo-3,4-dihydroquinoxalin-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 112747648 B, 授权公告日 2017-02-07.
发明人刘建华,韩伟,钱学锋. "A Process for Preparing High-Purity Ethyl 2-(4-(cyanomethyl)-3-oxo-3,4-dihydroquinoxalin-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 108814463 B, 授权公告日 2015-08-23.
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