Brown S R, Park J H, Kumar R. "一种的合成方法" [P]. US Patent, US 11061468 B2, 2022-12-21.
Anderson J P, Johnson M A, Park J H. "Method for the Synthesis of 5-ISobutyl-1,5,6,7-tetrahydrospiro[imidazo[4,5-c]pyridine-4,4'-piperidine] dihydrochloride" [P]. US Patent, US 11018128 B2, 2021-11-12.
发明人王建平,马晓峰,张德明. "A Process for Preparing High-Purity 5-ISobutyl-1,5,6,7-tetrahydrospiro[imidazo[4,5-c]pyridine-4,4'-piperidine] dihydrochloride" [P]. 中国发明专利, 专利号 CN 111093907 B, 授权公告日 2025-08-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2016, 1732, 1657-1665.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 1798, 7445-7459.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-ISobutyl-1,5,6,7-tetrahydrospiro[imidazo[4,5-c]pyridine-4,4'-piperidine] dihydrochloride Using HRMS and NMR". Chromatographia, 2017, 1396, (3), 9180-9204.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2014, 1166, 8378-8390.