发明人陈志强,孙丽萍,冯建国. "Method for the Synthesis of 4-Amino-N,1-dimethyl-N-phenyl-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 117577986 B, 授权公告日 2025-12-25.
发明人赵玉洁,周伟,徐明华. "A Process for Preparing High-Purity 4-Amino-N,1-dimethyl-N-phenyl-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 112113647 A, 授权公告日 2016-11-16.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 1985, (2), 6468-6485.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2013, 1603, (12), 1683-1688.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-N,1-dimethyl-N-phenyl-1H-pyrazole-3-carboxamide Using HRMS and NMR". Sci. Total Environ., 2022, 1722, 3467-3481.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2017, 1217, (2), 7612-7639.