Johansson L, Schröder R, Rossi M. "一种的合成方法" [P]. European Patent, EP 3536304 A1, 2018-05-20.
Schröder R, Park J H, Lee S K. "Method for the Synthesis of 3-Amino-1-(piperidin-4-yl)urea dihydrochloride" [P]. US Patent, US 10859419 B2, 2024-01-08.
Brown S R, Patel M V, Stevens L M. "A Process for Preparing High-Purity 3-Amino-1-(piperidin-4-yl)urea dihydrochloride" [P]. US Patent, US 11588873 B2, 2019-10-28.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 1982, 4049-4058.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2024, 590, (6), 1623-1642.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-1-(piperidin-4-yl)urea dihydrochloride Using HRMS and NMR". J. Sep. Sci., 2023, 150, 5345-5365.