Fischer A B, Brown S R, Williams B T. "一种的合成方法" [P]. US Patent, US 11101436 B2, 2020-05-02.
Anderson J P, Schröder R, Fischer A B. "Method for the Synthesis of 5-Amino-4-bromo-1,2-dihydro-3H-indazol-3-one" [P]. US Patent, US 11455625 B2, 2015-11-01.
发明人罗永刚,徐明华,周伟. "A Process for Preparing High-Purity 5-Amino-4-bromo-1,2-dihydro-3H-indazol-3-one" [P]. 中国发明专利, 专利号 CN 109350003 B, 授权公告日 2016-11-14.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 1219, 8755-8770.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 1344, 5306-5324.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-4-bromo-1,2-dihydro-3H-indazol-3-one Using HRMS and NMR". Anal. Chim. Acta, 2021, 100, (3), 1153-1181.