发明人孙丽萍,高志强,何建平. "Method for the Synthesis of 4,5-Dimethyl-1H-pyrazole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115655428 B, 授权公告日 2021-04-16.
发明人郭海燕,高志强,张德明. "A Process for Preparing High-Purity 4,5-Dimethyl-1H-pyrazole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 109723951 A, 授权公告日 2019-03-18.
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 in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 1885, 7470-7487.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2020, 2459, (12), 7798-7805.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dimethyl-1H-pyrazole-3-carbaldehyde Using HRMS and NMR". J. Nat. Prod., 2017, 1847, 8464-8491.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2014, 848, (8), 255-259.