发明人刘建华,沈红梅,胡光. "Method for the Synthesis of 1-Benzyl-3-carboxylatopyridinium sodium chloride" [P]. 中国发明专利, 专利号 CN 108328396 A, 授权公告日 2018-03-15.
发明人胡光,陈志强,周伟. "A Process for Preparing High-Purity 1-Benzyl-3-carboxylatopyridinium sodium chloride" [P]. 中国发明专利, 专利号 CN 109847170 B, 授权公告日 2016-10-12.
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