发明人冯建国,韩伟,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109751597 A, 授权公告日 2023-07-08.
Schröder R, Mueller T, Yamamoto T. "Method for the Synthesis of Ethyl 3-ethoxy-1-ethyl-1H-pyrazole-4-carboxylate" [P]. US Patent, US 9878335 B2, 2016-12-05.
Lee S K, Schröder R, Fischer A B. "A Process for Preparing High-Purity Ethyl 3-ethoxy-1-ethyl-1H-pyrazole-4-carboxylate" [P]. US Patent, US 10255858 B2, 2021-03-17.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2024, 1648, 4426-4444.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 1297, (7), 59-79.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-ethoxy-1-ethyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". J. Sep. Sci., 2019, 1654, 2424-2434.