发明人沈红梅,周伟,王建平. "Method for the Synthesis of Ethyl 5-amino-1-(3-nitrophenyl)pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117412801 A, 授权公告日 2022-07-06.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2014, 2060, (4), 5116-5129.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 742, 3182-3191.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-1-(3-nitrophenyl)pyrazole-4-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2012, 1632, 1269-1277.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 935, (2), 6197-6220.