发明人周伟,胡光,马晓峰. "Method for the Synthesis of 1H-Imidazo[1,2-b]pyrazole-6-carbonitrile, 7-bromo-1-methyl-" [P]. 中国发明专利, 专利号 CN 115776189 B, 授权公告日 2021-02-22.
Yamamoto T, Fischer A B, O'Brien P Q. "A Process for Preparing High-Purity 1H-Imidazo[1,2-b]pyrazole-6-carbonitrile, 7-bromo-1-methyl-" [P]. US Patent, US 11092221 B2, 2018-07-08.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2019, 849, 495-503.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 1709, 3673-3693.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1H-Imidazo[1,2-b]pyrazole-6-carbonitrile, 7-bromo-1-methyl- Using HRMS and NMR". Sci. Total Environ., 2019, 2333, 8070-8089.