发明人马晓峰,冯建国,张德明. "Method for the Synthesis of 1-(4-Chlorobenzyl)-3-nitro-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111783257 B, 授权公告日 2025-05-07.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2019, 1476, (9), 5433-5454.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 119, (5), 8466-8472.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Chlorobenzyl)-3-nitro-1H-pyrazole-5-carboxylic acid Using HRMS and NMR". Talanta, 2014, 591, (9), 1868-1871.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 1933, 991-1012.