发明人郑宇鹏,林芳,马晓峰. "Method for the Synthesis of 6-Amino-5-hydroxynicotinic acid" [P]. 中国发明专利, 专利号 CN 115584286 B, 授权公告日 2017-07-16.
发明人马晓峰,韩伟,孙丽萍. "A Process for Preparing High-Purity 6-Amino-5-hydroxynicotinic acid" [P]. 中国发明专利, 专利号 CN 113310201 B, 授权公告日 2017-06-16.
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