Nielsen H, Nowak P, Kowalski A. "Method for the Synthesis of 3-Methoxy-1-methyl-1H-indazole-6-carbaldehyde" [P]. European Patent, EP 3443336 A1, 2023-02-04.
发明人陈志强,马晓峰,王建平. "A Process for Preparing High-Purity 3-Methoxy-1-methyl-1H-indazole-6-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111045872 B, 授权公告日 2016-01-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 2441, 3360-3379.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 1022, (12), 8053-8083.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methoxy-1-methyl-1H-indazole-6-carbaldehyde Using HRMS and NMR". J. Chromatogr. A, 2020, 1862, (8), 3710-3730.