发明人徐明华,林芳,刘建华. "Method for the Synthesis of 4-Amino-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116924091 A, 授权公告日 2020-07-16.
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