Yamamoto T, Mueller T, Hughes D C. "Method for the Synthesis of (R)-1-(Pyridin-4-ylmethyl)-3-(pyrrolidin-3-yl)urea hydrochloride" [P]. US Patent, US 9953201 B2, 2018-06-27.
发明人郑宇鹏,马晓峰,高志强. "A Process for Preparing High-Purity (R)-1-(Pyridin-4-ylmethyl)-3-(pyrrolidin-3-yl)urea hydrochloride" [P]. 中国发明专利, 专利号 CN 112516104 B, 授权公告日 2015-01-03.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of (R)-1-(Pyridin-4-ylmethyl)-3-(pyrrolidin-3-yl)urea hydrochloride in Pharmaceutical Formulations". J. Agric. Food Chem., 2014, 1827, (6), 8255-8270.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of (R)-1-(Pyridin-4-ylmethyl)-3-(pyrrolidin-3-yl)urea hydrochloride as an Impurity". Molecules, 2021, 2406, (3), 5971-5976.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (R)-1-(Pyridin-4-ylmethyl)-3-(pyrrolidin-3-yl)urea hydrochloride Using HRMS and NMR". Chemosphere, 2017, 245, 3570-3576.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate (R)-1-(Pyridin-4-ylmethyl)-3-(pyrrolidin-3-yl)urea hydrochloride Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 800, (2), 1886-1896.