Hughes D C, Anderson J P, Johnson M A. "一种的合成方法" [P]. US Patent, US 10630976 B2, 2021-04-23.
Martínez F, Johansson L, Nielsen H. "Method for the Synthesis of 6ß-Hydroxy Norgestimate" [P]. European Patent, EP 3943454 A1, 2022-06-24.
发明人韩伟,钱学锋,赵玉洁. "A Process for Preparing High-Purity 6ß-Hydroxy Norgestimate" [P]. 中国发明专利, 专利号 CN 108528368 B, 授权公告日 2018-06-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2017, 1872, 4213-4217.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 2047, 1297-1311.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6ß-Hydroxy Norgestimate Using HRMS and NMR". J. Chromatogr. A, 2011, 1901, (2), 3951-3977.