Lee S K, Klinger H, Davis P L. "Method for the Synthesis of 2-(Piperidin-4-ylidene)acetic acid" [P]. US Patent, US 9065163 B2, 2024-12-17.
发明人孙丽萍,周伟,赵玉洁. "A Process for Preparing High-Purity 2-(Piperidin-4-ylidene)acetic acid" [P]. 中国发明专利, 专利号 CN 116316577 B, 授权公告日 2020-06-14.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 2222, 751-760.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2011, 463, (5), 1041-1058.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Piperidin-4-ylidene)acetic acid Using HRMS and NMR". Anal. Methods, 2012, 373, (6), 1934-1937.