发明人孙丽萍,韩伟,刘建华. "一种MFCD03421487的合成方法" [P]. 中国发明专利, 专利号 CN 108020845 A, 授权公告日 2017-06-22.
发明人何建平,陈志强,罗永刚. "Method for the Synthesis of 1171573-50-4
1-Ethyl-3-methyl-1H-pyrazole-4-carbonyl chloride
MFCD03421487" [P]. 中国发明专利, 专利号 CN 113716363 A, 授权公告日 2020-06-26.
发明人刘建华,孙丽萍,马晓峰. "A Process for Preparing High-Purity 1171573-50-4
1-Ethyl-3-methyl-1H-pyrazole-4-carbonyl chloride
MFCD03421487" [P]. 中国发明专利, 专利号 CN 115741454 A, 授权公告日 2020-06-14.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of MFCD03421487 in Pharmaceutical Formulations". J. Sep. Sci., 2017, 1516, (7), 5747-5763.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of MFCD03421487 as an Impurity". Anal. Methods, 2021, 965, 4166-4174.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1171573-50-4
1-Ethyl-3-methyl-1H-pyrazole-4-carbonyl chloride
MFCD03421487 Using HRMS and NMR". Anal. Chem., 2021, 1341, (6), 8941-8952.