Schröder R, Johnson M A, Lee S K. "Method for the Synthesis of 4-(1-Methyl-1H-pyrazol-4-yl)-1,2,3,4-tetrahydroisoquinoline dihydrochloride" [P]. US Patent, US 11167165 B2, 2022-08-20.
发明人唐晓军,朱建伟,徐明华. "A Process for Preparing High-Purity 4-(1-Methyl-1H-pyrazol-4-yl)-1,2,3,4-tetrahydroisoquinoline dihydrochloride" [P]. 中国发明专利, 专利号 CN 114233861 A, 授权公告日 2021-05-20.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2021, 184, (5), 6606-6620.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2014, 917, (9), 584-613.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1-Methyl-1H-pyrazol-4-yl)-1,2,3,4-tetrahydroisoquinoline dihydrochloride Using HRMS and NMR". J. Sep. Sci., 2013, 1965, 5950-5966.