发明人何建平,杨光,郑宇鹏. "Method for the Synthesis of 3,5-Difluoro-4-((2-hydroxypentyl)amino)benzonitrile" [P]. 中国发明专利, 专利号 CN 108099187 A, 授权公告日 2024-09-09.
发明人张德明,林芳,罗永刚. "A Process for Preparing High-Purity 3,5-Difluoro-4-((2-hydroxypentyl)amino)benzonitrile" [P]. 中国发明专利, 专利号 CN 109542643 A, 授权公告日 2025-10-05.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2019, 2153, (2), 6482-6511.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2015, 959, (12), 6900-6928.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Difluoro-4-((2-hydroxypentyl)amino)benzonitrile Using HRMS and NMR". Anal. Methods, 2011, 115, (4), 4232-4256.