Mueller T, Anderson J P, Schröder R. "一种的合成方法" [P]. US Patent, US 11920814 B2, 2021-09-26.
Johnson M A, O'Brien P Q, Fischer A B. "Method for the Synthesis of 6-Chloro-5-nitro-1H-indazole-3-carboxylic acid" [P]. US Patent, US 9876883 B2, 2025-10-08.
发明人张德明,陈志强,唐晓军. "A Process for Preparing High-Purity 6-Chloro-5-nitro-1H-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112941462 B, 授权公告日 2024-02-24.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 943, 3620-3633.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 1683, (2), 1836-1843.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-5-nitro-1H-indazole-3-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 2092, 7041-7064.