Mueller T, Klinger H, Fischer A B. "Method for the Synthesis of 2-(3,3-Difluoroazetidin-1-yl)-6-fluoropyridine" [P]. US Patent, US 10211555 B2, 2021-09-26.
发明人冯建国,罗永刚,赵玉洁. "A Process for Preparing High-Purity 2-(3,3-Difluoroazetidin-1-yl)-6-fluoropyridine" [P]. 中国发明专利, 专利号 CN 109079503 B, 授权公告日 2020-10-19.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 1125, (5), 6445-6450.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 2401, (3), 2259-2272.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,3-Difluoroazetidin-1-yl)-6-fluoropyridine Using HRMS and NMR". Molecules, 2010, 1100, (11), 5888-5916.