发明人罗永刚,杨光,韩伟. "Method for the Synthesis of 2-Carbamoyl-3-hydroxy-1-methylpyridinium Chloride" [P]. 中国发明专利, 专利号 CN 114030238 A, 授权公告日 2021-09-12.
发明人胡光,陈志强,何建平. "A Process for Preparing High-Purity 2-Carbamoyl-3-hydroxy-1-methylpyridinium Chloride" [P]. 中国发明专利, 专利号 CN 116874099 A, 授权公告日 2024-01-14.
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