发明人徐明华,罗永刚,冯建国. "Method for the Synthesis of Ethyl 3-amino-1-propyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116432149 A, 授权公告日 2021-03-16.
发明人赵玉洁,张德明,周伟. "A Process for Preparing High-Purity Ethyl 3-amino-1-propyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111655192 B, 授权公告日 2017-10-27.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2010, 457, 6790-6814.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2024, 1614, 1838-1859.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-amino-1-propyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2025, 1668, (7), 7821-7841.