发明人王建平,黄志刚,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113012916 A, 授权公告日 2022-10-27.
发明人郭海燕,高志强,刘建华. "Method for the Synthesis of 5-Butyl-2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole-8-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 115472286 A, 授权公告日 2017-09-16.
发明人钱学锋,张德明,郑宇鹏. "A Process for Preparing High-Purity 5-Butyl-2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole-8-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 111793034 A, 授权公告日 2021-09-25.
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