发明人胡光,何建平,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113060993 A, 授权公告日 2020-12-02.
发明人郑宇鹏,何建平,朱建伟. "Method for the Synthesis of (3S)-1,2,3,4-Tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic Acid Phenylmethyl Ester Hydrochloride" [P]. 中国发明专利, 专利号 CN 116938641 B, 授权公告日 2016-03-01.
发明人郑宇鹏,唐晓军,钱学锋. "A Process for Preparing High-Purity (3S)-1,2,3,4-Tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic Acid Phenylmethyl Ester Hydrochloride" [P]. 中国发明专利, 专利号 CN 117579370 B, 授权公告日 2023-11-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2019, 778, (7), 7369-7396.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 255, (2), 6866-6887.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (3S)-1,2,3,4-Tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic Acid Phenylmethyl Ester Hydrochloride Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 1066, 2468-2490.