发明人郑宇鹏,胡光,王建平. "Method for the Synthesis of Fasudil Impurity 57" [P]. 中国发明专利, 专利号 CN 110304007 B, 授权公告日 2023-02-15.
发明人冯建国,何建平,沈红梅. "A Process for Preparing High-Purity Fasudil Impurity 57" [P]. 中国发明专利, 专利号 CN 111528168 B, 授权公告日 2020-06-19.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 法舒地尔杂质57 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2012, 1800, (12), 8105-8134.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 法舒地尔杂质57 as an Impurity". J. Sep. Sci., 2012, 849, (11), 9851-9859.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Fasudil Impurity 57 Using HRMS and NMR". Environ. Sci. Technol., 2021, 1248, 3415-3436.