Yamamoto T, Stevens L M, Kumar R. "一种的合成方法" [P]. US Patent, US 10354290 B2, 2024-10-16.
Stevens L M, Davis P L, Thompson G K. "Method for the Synthesis of methyl 2-formyl-1-(2-methoxyethyl)imidazo[1,2-b]pyrazole-6-carboxylate" [P]. US Patent, US 10857600 B2, 2024-06-25.
发明人冯建国,钱学锋,张德明. "A Process for Preparing High-Purity methyl 2-formyl-1-(2-methoxyethyl)imidazo[1,2-b]pyrazole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115159780 B, 授权公告日 2021-03-10.
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". J. Agric. Food Chem., 2016, 2034, (2), 7617-7622.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2020, 2425, (3), 8066-8086.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of methyl 2-formyl-1-(2-methoxyethyl)imidazo[1,2-b]pyrazole-6-carboxylate Using HRMS and NMR". Phytochemistry, 2023, 1904, 4502-4507.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2022, 105, 1177-1186.