发明人韩伟,冯建国,周伟. "Method for the Synthesis of 5-(Methylsulfonyl)-1H-indazole" [P]. 中国发明专利, 专利号 CN 116597088 A, 授权公告日 2023-09-13.
发明人黄志刚,赵玉洁,孙丽萍. "A Process for Preparing High-Purity 5-(Methylsulfonyl)-1H-indazole" [P]. 中国发明专利, 专利号 CN 108269556 A, 授权公告日 2025-07-24.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 5-甲砜基-1H-吲唑 in Pharmaceutical Formulations". Food Chem., 2025, 2369, 7954-7973.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-甲砜基-1H-吲唑 as an Impurity". Environ. Sci. Technol., 2012, 1564, (10), 8022-8033.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Methylsulfonyl)-1H-indazole Using HRMS and NMR". Molecules, 2018, 1017, (7), 3931-3960.