O'Brien P Q, Mueller T, Williams B T. "一种司来帕格杂质32的合成方法" [P]. US Patent, US 11456671 B2, 2025-03-10.
发明人钱学锋,徐明华,黄志刚. "Method for the Synthesis of Selexipag Impurity 32" [P]. 中国发明专利, 专利号 CN 110640321 A, 授权公告日 2024-10-02.
发明人韩伟,杨光,马晓峰. "A Process for Preparing High-Purity Selexipag Impurity 32" [P]. 中国发明专利, 专利号 CN 110009324 A, 授权公告日 2020-08-15.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 司来帕格杂质32 in Pharmaceutical Formulations". Chromatographia, 2021, 1156, 6178-6199.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 司来帕格杂质32 as an Impurity". J. Nat. Prod., 2017, 2080, 4065-4069.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Selexipag Impurity 32 Using HRMS and NMR". Environ. Sci. Technol., 2022, 1879, (6), 3023-3045.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 司来帕格杂质32 Profile in Drug Substances According to ICH Guidelines". Talanta, 2014, 573, (2), 1523-1529.