Jørgensen K, Martínez F, Björnsson E. "一种2-[(cyclopropylmethyl)(methyl)amino]pyridine-4-carboxylic acid的合成方法" [P]. European Patent, EP 3540373 A1, 2024-09-15.
Yamamoto T, O'Brien P Q, Mueller T. "Method for the Synthesis of 2-[(cyclopropylmethyl)(methyl)amino]pyridine-4-carboxylic acid" [P]. US Patent, US 9293549 B2, 2021-06-02.
Mueller T C, Kowalski A, Nielsen H. "A Process for Preparing High-Purity 2-[(cyclopropylmethyl)(methyl)amino]pyridine-4-carboxylic acid" [P]. European Patent, EP 3539607 A1, 2021-12-06.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 2-[(cyclopropylmethyl)(methyl)amino]pyridine-4-carboxylic acid in Pharmaceutical Formulations". Talanta, 2010, 212, 1573-1586.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-[(cyclopropylmethyl)(methyl)amino]pyridine-4-carboxylic acid as an Impurity". Chromatographia, 2011, 265, (10), 6037-6060.