发明人周伟,郭海燕,韩伟. "Method for the Synthesis of 3-O-Methyl Estrone Hydrazone" [P]. 中国发明专利, 专利号 CN 116932745 A, 授权公告日 2021-03-26.
发明人周伟,张德明,何建平. "A Process for Preparing High-Purity 3-O-Methyl Estrone Hydrazone" [P]. 中国发明专利, 专利号 CN 115194720 B, 授权公告日 2024-06-24.
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". Molecules, 2016, 2416, (9), 9943-9963.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2013, 1866, (4), 9162-9172.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-O-Methyl Estrone Hydrazone Using HRMS and NMR". J. Sep. Sci., 2022, 1560, (9), 4474-4495.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2024, 2439, 360-363.