发明人沈红梅,何建平,刘建华. "一种4-氟-3-甲酰基-1H-吲唑-6-甲酸甲酯的合成方法" [P]. 中国发明专利, 专利号 CN 116095712 A, 授权公告日 2017-12-15.
发明人朱建伟,马晓峰,钱学锋. "Method for the Synthesis of Methyl 4-fluoro-3-formyl-1H-indazole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 117606343 A, 授权公告日 2022-06-09.
发明人周伟,沈红梅,朱建伟. "A Process for Preparing High-Purity Methyl 4-fluoro-3-formyl-1H-indazole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115530762 A, 授权公告日 2023-02-10.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氟-3-甲酰基-1H-吲唑-6-甲酸甲酯 in Pharmaceutical Formulations". Talanta, 2011, 2225, (12), 4513-4520.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氟-3-甲酰基-1H-吲唑-6-甲酸甲酯 as an Impurity". J. Sep. Sci., 2022, 920, 9102-9110.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-fluoro-3-formyl-1H-indazole-6-carboxylate Using HRMS and NMR". Chemosphere, 2023, 1633, (9), 3946-3975.