发明人沈红梅,郑宇鹏,刘建华. "Method for the Synthesis of 2-((4-Cyano-1-ethyl-5,6,7,8-tetrahydroisoquinolin-3-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 113097063 B, 授权公告日 2019-10-23.
发明人陈志强,郭海燕,马晓峰. "A Process for Preparing High-Purity 2-((4-Cyano-1-ethyl-5,6,7,8-tetrahydroisoquinolin-3-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 113514108 B, 授权公告日 2018-05-08.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 2248, 1688-1710.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 1628, (9), 5694-5718.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-((4-Cyano-1-ethyl-5,6,7,8-tetrahydroisoquinolin-3-yl)thio)acetic acid Using HRMS and NMR". Environ. Sci. Technol., 2024, 672, 24-41.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2011, 405, 9534-9557.