发明人唐晓军,徐明华,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114074288 A, 授权公告日 2022-11-07.
发明人李文辉,孙丽萍,沈红梅. "Method for the Synthesis of 4,4-Dimethyl-1,2,3,4-tetrahydroisoquinoline-7-carbonitrile hydrochloride" [P]. 中国发明专利, 专利号 CN 116359542 B, 授权公告日 2016-05-18.
发明人朱建伟,黄志刚,林芳. "A Process for Preparing High-Purity 4,4-Dimethyl-1,2,3,4-tetrahydroisoquinoline-7-carbonitrile hydrochloride" [P]. 中国发明专利, 专利号 CN 113101313 B, 授权公告日 2024-10-05.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2025, 213, (10), 3931-3945.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 1058, 2433-2457.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Dimethyl-1,2,3,4-tetrahydroisoquinoline-7-carbonitrile hydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2011, 385, 8702-8708.