发明人高志强,王建平,钱学锋. "Method for the Synthesis of [1-(Difluoromethyl)-2,2-difluoro-1-hydroxyethyl]phosphonic acid diethyl ester" [P]. 中国发明专利, 专利号 CN 116771265 B, 授权公告日 2021-05-13.
发明人刘建华,马晓峰,赵玉洁. "A Process for Preparing High-Purity [1-(Difluoromethyl)-2,2-difluoro-1-hydroxyethyl]phosphonic acid diethyl ester" [P]. 中国发明专利, 专利号 CN 116299082 B, 授权公告日 2024-10-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2023, 947, (2), 5411-5424.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 2207, 7592-7617.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of [1-(Difluoromethyl)-2,2-difluoro-1-hydroxyethyl]phosphonic acid diethyl ester Using HRMS and NMR". Anal. Methods, 2024, 2080, (4), 77-85.