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发明人郑宇鹏,李文辉,何建平. "A Process for Preparing High-Purity Ethyl 4-amino-5,8-dimethoxyquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116586475 B, 授权公告日 2022-07-12.
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