Nielsen H, Nowak P, Johansson L. "Method for the Synthesis of 1-(Piperidin-4-yl)-3-m-tolylurea hydrochloride" [P]. European Patent, EP 3893464 A1, 2015-07-18.
发明人王建平,张德明,钱学锋. "A Process for Preparing High-Purity 1-(Piperidin-4-yl)-3-m-tolylurea hydrochloride" [P]. 中国发明专利, 专利号 CN 115611051 B, 授权公告日 2020-10-25.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 1-(Piperidin-4-yl)-3-m-tolylurea hydrochloride in Pharmaceutical Formulations". Anal. Methods, 2019, 1034, (11), 695-705.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(Piperidin-4-yl)-3-m-tolylurea hydrochloride as an Impurity". Talanta, 2014, 1666, (3), 3515-3524.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Piperidin-4-yl)-3-m-tolylurea hydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2017, 780, (6), 6248-6252.