发明人钱学锋,孙丽萍,黄志刚. "Method for the Synthesis of Tert-butyl (1-(2-hydroxyethyl)-4,5,6,7-tetrahydro-1H-indazol-4-yl)carbamate" [P]. 中国发明专利, 专利号 CN 108739518 B, 授权公告日 2016-06-10.
发明人沈红梅,周伟,张德明. "A Process for Preparing High-Purity Tert-butyl (1-(2-hydroxyethyl)-4,5,6,7-tetrahydro-1H-indazol-4-yl)carbamate" [P]. 中国发明专利, 专利号 CN 112904058 B, 授权公告日 2025-07-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2024, 1263, (6), 6352-6359.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2024, 99, (12), 2028-2037.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (1-(2-hydroxyethyl)-4,5,6,7-tetrahydro-1H-indazol-4-yl)carbamate Using HRMS and NMR". Anal. Chem., 2020, 2228, (11), 2680-2690.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 147, (2), 7187-7191.