Lefèvre J P, Kowalski A, Rossi M. "一种Medroxyprogesterone Acetate Impurity6的合成方法" [P]. European Patent, EP 3573220 A1, 2020-04-16.
Schröder R, Mueller T, Chen K W. "Method for the Synthesis of Medroxyprogesterone Acetate Impurity 6" [P]. US Patent, US 11193106 B2, 2025-02-15.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of Medroxyprogesterone Acetate Impurity6 in Pharmaceutical Formulations". Talanta, 2014, 1212, (9), 5671-5697.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of Medroxyprogesterone Acetate Impurity6 as an Impurity". Environ. Sci. Technol., 2012, 1788, (2), 9906-9933.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Medroxyprogesterone Acetate Impurity 6 Using HRMS and NMR". Anal. Methods, 2012, 2332, (11), 6567-6595.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Medroxyprogesterone Acetate Impurity6 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 336, 6702-6709.