Brown S R, Schröder R, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11653414 B2, 2019-07-04.
Patel M V, Chen K W, Johnson M A. "Method for the Synthesis of 1-Methyl-2-(3-piperidinyl)-1H-benzimidazole dihydrochloride" [P]. US Patent, US 9984733 B2, 2025-09-13.
Brown S R, Mueller T, Stevens L M. "A Process for Preparing High-Purity 1-Methyl-2-(3-piperidinyl)-1H-benzimidazole dihydrochloride" [P]. US Patent, US 11545587 B2, 2018-12-06.
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". Anal. Chim. Acta, 2018, 1856, (3), 676-685.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 476, (11), 5471-5493.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-2-(3-piperidinyl)-1H-benzimidazole dihydrochloride Using HRMS and NMR". Sci. Total Environ., 2021, 1338, (6), 9483-9492.