发明人钱学锋,徐明华,胡光. "Method for the Synthesis of Ethyl 5-amino-1-(tert-butyl)-4-chloro-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109814884 B, 授权公告日 2016-06-15.
Park J H, Brown S R, Anderson J P. "A Process for Preparing High-Purity Ethyl 5-amino-1-(tert-butyl)-4-chloro-1H-pyrazole-3-carboxylate" [P]. US Patent, US 9789195 B2, 2021-06-07.
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". Rapid Commun. Mass Spectrom., 2011, 2236, (1), 4152-4173.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 1754, 4458-4478.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-1-(tert-butyl)-4-chloro-1H-pyrazole-3-carboxylate Using HRMS and NMR". Anal. Methods, 2011, 1384, 5443-5456.