发明人刘建华,沈红梅,徐明华. "Method for the Synthesis of Ethyl 2-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate" [P]. 中国发明专利, 专利号 CN 109587506 B, 授权公告日 2021-07-21.
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