发明人韩伟,郭海燕,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115450045 A, 授权公告日 2021-08-23.
发明人高志强,王建平,孙丽萍. "Method for the Synthesis of Ethyl 2-(5-hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 110956812 A, 授权公告日 2023-01-02.
Schröder R, Kumar R, Yamamoto T. "A Process for Preparing High-Purity Ethyl 2-(5-hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)acetate" [P]. US Patent, US 10484519 B2, 2015-08-05.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 1069, (2), 709-724.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2019, 1097, 5382-5404.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(5-hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)acetate Using HRMS and NMR". J. Nat. Prod., 2020, 2129, (3), 4115-4129.