发明人马晓峰,周伟,王建平. "Method for the Synthesis of Bosentan Impurity N8" [P]. 中国发明专利, 专利号 CN 117438421 B, 授权公告日 2019-12-04.
发明人郭海燕,冯建国,周伟. "A Process for Preparing High-Purity Bosentan Impurity N8" [P]. 中国发明专利, 专利号 CN 111279981 B, 授权公告日 2025-01-12.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 波生坦杂质N8 in Pharmaceutical Formulations". Molecules, 2018, 1155, 9097-9103.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 波生坦杂质N8 as an Impurity". Environ. Sci. Technol., 2020, 2199, (5), 3428-3436.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Bosentan Impurity N8 Using HRMS and NMR". Talanta, 2013, 1070, (12), 1344-1353.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 波生坦杂质N8 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 2061, (11), 5231-5253.