Kumar R, O'Brien P Q, Johnson M A. "Method for the Synthesis of 4-((((1-Ethyl-3-methyl-1H-pyrazol-4-yl)methyl)amino)methyl)benzoic acid hydrochloride" [P]. US Patent, US 11371053 B2, 2024-10-03.
Roberts E F, Johnson M A, O'Brien P Q. "A Process for Preparing High-Purity 4-((((1-Ethyl-3-methyl-1H-pyrazol-4-yl)methyl)amino)methyl)benzoic acid hydrochloride" [P]. US Patent, US 11606064 B2, 2024-04-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2011, 445, (11), 1201-1218.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2022, 260, (6), 3320-3339.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-((((1-Ethyl-3-methyl-1H-pyrazol-4-yl)methyl)amino)methyl)benzoic acid hydrochloride Using HRMS and NMR". J. Sep. Sci., 2016, 1004, (10), 7452-7465.