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发明人刘建华,沈红梅,冯建国. "A Process for Preparing High-Purity Ethyl 2-[4-(cyclopropylmethyl)-3-oxo-3,4-dihydroquinoxalin-2-yl]acetate" [P]. 中国发明专利, 专利号 CN 115228414 B, 授权公告日 2021-11-14.
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