Hughes D C, Chen K W, Davis P L. "一种的合成方法" [P]. US Patent, US 10469602 B2, 2018-09-01.
Martínez F, Nielsen H, Rossi M. "Method for the Synthesis of 1-Piperidinyl(4,5,6,7-tetrahydro-1H-pyrazolo-[4,3-c]pyridin-3-yl)methanone hydrochloride" [P]. European Patent, EP 3459199 A1, 2015-12-13.
Williams B T, Stevens L M, Fischer A B. "A Process for Preparing High-Purity 1-Piperidinyl(4,5,6,7-tetrahydro-1H-pyrazolo-[4,3-c]pyridin-3-yl)methanone hydrochloride" [P]. US Patent, US 9518817 B2, 2022-09-25.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 931, 9251-9262.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 166, 9384-9391.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Piperidinyl(4,5,6,7-tetrahydro-1H-pyrazolo-[4,3-c]pyridin-3-yl)methanone hydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2015, 793, (3), 2942-2961.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 2131, 3850-3871.