Williams B T, Brown S R, Fischer A B. "一种的合成方法" [P]. US Patent, US 10996927 B2, 2015-01-14.
Chen K W, Kumar R, Lee S K. "Method for the Synthesis of 4-Ethyl-3-(2-iodophenyl)-1h-pyrazol-5-amine" [P]. US Patent, US 11923360 B2, 2017-04-28.
发明人韩伟,郑宇鹏,徐明华. "A Process for Preparing High-Purity 4-Ethyl-3-(2-iodophenyl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 110277729 A, 授权公告日 2025-01-19.
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". Anal. Methods, 2012, 1701, 6225-6248.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 417, 3654-3670.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-3-(2-iodophenyl)-1h-pyrazol-5-amine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 1698, (9), 6543-6563.