发明人林芳,罗永刚,胡光. "Method for the Synthesis of 3-Hydroxy-8-methoxy-1-methyl-6-nitroquinolin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 108751869 B, 授权公告日 2016-11-10.
发明人高志强,徐明华,黄志刚. "A Process for Preparing High-Purity 3-Hydroxy-8-methoxy-1-methyl-6-nitroquinolin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 110525384 B, 授权公告日 2022-01-02.
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