Brown S R, Park J H, Johnson M A. "一种的合成方法" [P]. US Patent, US 10567663 B2, 2020-05-17.
发明人钱学锋,赵玉洁,唐晓军. "Method for the Synthesis of 4-(Cyclopentylamino)-3-nitrobenzoic acid
691363-42-5" [P]. 中国发明专利, 专利号 CN 112883915 A, 授权公告日 2025-10-22.
发明人张德明,胡光,罗永刚. "A Process for Preparing High-Purity 4-(Cyclopentylamino)-3-nitrobenzoic acid
691363-42-5" [P]. 中国发明专利, 专利号 CN 113894443 B, 授权公告日 2016-07-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 1773, 8757-8776.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 1026, 1223-1245.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Cyclopentylamino)-3-nitrobenzoic acid
691363-42-5 Using HRMS and NMR". Molecules, 2022, 1243, (3), 2125-2139.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 1832, 3019-3046.