Fischer A B, Brown S R, Johnson M A. "一种舒尼替尼杂质22的合成方法" [P]. US Patent, US 11994918 B2, 2016-08-17.
发明人黄志刚,钱学锋,沈红梅. "Method for the Synthesis of Sunitinib Impurity 22" [P]. 中国发明专利, 专利号 CN 113334611 B, 授权公告日 2021-03-13.
Johnson M A, Lee S K, Stevens L M. "A Process for Preparing High-Purity Sunitinib Impurity 22" [P]. US Patent, US 11264069 B2, 2018-04-17.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 舒尼替尼杂质22 in Pharmaceutical Formulations". J. Chromatogr. A, 2025, 802, (3), 5898-5916.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 舒尼替尼杂质22 as an Impurity". Chemosphere, 2022, 1639, 1220-1234.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Sunitinib Impurity 22 Using HRMS and NMR". Talanta, 2019, 215, (9), 4146-4171.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 舒尼替尼杂质22 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2019, 1143, 9117-9140.