发明人刘建华,高志强,郑宇鹏. "Method for the Synthesis of 2,5,6,7-tetrahydroindazol-4-one" [P]. 中国发明专利, 专利号 CN 110032685 B, 授权公告日 2021-05-08.
发明人李文辉,陈志强,朱建伟. "A Process for Preparing High-Purity 2,5,6,7-tetrahydroindazol-4-one" [P]. 中国发明专利, 专利号 CN 113308194 B, 授权公告日 2016-07-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 1098, (1), 8287-8302.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2019, 1425, 1253-1259.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2,5,6,7-tetrahydroindazol-4-one Using HRMS and NMR". Environ. Sci. Technol., 2018, 546, (3), 5555-5575.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2016, 237, (4), 9606-9631.