发明人李文辉,高志强,冯建国. "Method for the Synthesis of 5-((tert-Butoxycarbonyl)amino)nicotinic acid" [P]. 中国发明专利, 专利号 CN 111716885 B, 授权公告日 2022-07-06.
发明人周伟,钱学锋,郭海燕. "A Process for Preparing High-Purity 5-((tert-Butoxycarbonyl)amino)nicotinic acid" [P]. 中国发明专利, 专利号 CN 110493758 B, 授权公告日 2022-05-24.
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