Williams B T, Roberts E F, Patel M V. "一种的合成方法" [P]. US Patent, US 9610808 B2, 2020-04-03.
Nielsen H, Mueller T C, Kowalski A. "Method for the Synthesis of 2-Methyl-4,5,6,7-tetrahydro-2H-indazol-3-amine" [P]. European Patent, EP 3208521 A1, 2015-05-04.
Klinger H, Lee S K, Kumar R. "A Process for Preparing High-Purity 2-Methyl-4,5,6,7-tetrahydro-2H-indazol-3-amine" [P]. US Patent, US 10547138 B2, 2019-07-10.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1153, (5), 7635-7656.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 1882, (6), 4743-4749.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-4,5,6,7-tetrahydro-2H-indazol-3-amine Using HRMS and NMR". Phytochemistry, 2016, 2304, (9), 9971-9988.