发明人何建平,徐明华,杨光. "Method for the Synthesis of 3-(2,4-Dimethoxyphenyl)-1h-pyrazole" [P]. 中国发明专利, 专利号 CN 113799986 A, 授权公告日 2015-05-08.
发明人林芳,郭海燕,赵玉洁. "A Process for Preparing High-Purity 3-(2,4-Dimethoxyphenyl)-1h-pyrazole" [P]. 中国发明专利, 专利号 CN 116871827 A, 授权公告日 2020-05-17.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2017, 2342, 3552-3567.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 1408, (2), 7415-7434.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2,4-Dimethoxyphenyl)-1h-pyrazole Using HRMS and NMR". Anal. Chem., 2010, 1767, 8535-8563.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 331, (7), 9609-9630.