Björnsson E, Jørgensen K, Kowalski A. "Method for the Synthesis of 1-(3-Fluoropyridin-2-yl)-3,3-dimethoxycyclobutane-1-carbonitrile" [P]. European Patent, EP 3872052 A1, 2017-11-23.
发明人何建平,马晓峰,郭海燕. "A Process for Preparing High-Purity 1-(3-Fluoropyridin-2-yl)-3,3-dimethoxycyclobutane-1-carbonitrile" [P]. 中国发明专利, 专利号 CN 116428971 A, 授权公告日 2024-09-08.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 492, 4421-4435.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 1986, (2), 8169-8188.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Fluoropyridin-2-yl)-3,3-dimethoxycyclobutane-1-carbonitrile Using HRMS and NMR". J. Agric. Food Chem., 2024, 1586, 2383-2392.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2019, 255, (7), 3526-3552.