发明人何建平,郭海燕,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115109208 A, 授权公告日 2015-05-25.
发明人张德明,刘建华,周伟. "Method for the Synthesis of n-(2-(Difluoromethoxy)phenyl)thiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 109861324 B, 授权公告日 2021-08-04.
Klinger H, Brown S R, Davis P L. "A Process for Preparing High-Purity n-(2-(Difluoromethoxy)phenyl)thiophene-2-carboxamide" [P]. US Patent, US 11303190 B2, 2023-11-21.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 1517, 6682-6711.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2015, 562, (12), 6689-6694.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of n-(2-(Difluoromethoxy)phenyl)thiophene-2-carboxamide Using HRMS and NMR". Chemosphere, 2021, 149, (3), 3076-3106.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 1334, (7), 6275-6284.