发明人郭海燕,钱学锋,沈红梅. "Method for the Synthesis of 6-((Methylsulfonyl)methyl)nicotinic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 108626815 A, 授权公告日 2019-08-27.
发明人胡光,马晓峰,朱建伟. "A Process for Preparing High-Purity 6-((Methylsulfonyl)methyl)nicotinic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 110379082 A, 授权公告日 2021-03-15.
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