发明人罗永刚,郑宇鹏,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110181288 A, 授权公告日 2024-01-22.
Stevens L M, Klinger H, Fischer A B. "Method for the Synthesis of N-[4-(Difluoromethoxy)phenyl]thiourea" [P]. US Patent, US 10210700 B2, 2018-08-27.
发明人周伟,徐明华,马晓峰. "A Process for Preparing High-Purity N-[4-(Difluoromethoxy)phenyl]thiourea" [P]. 中国发明专利, 专利号 CN 114745625 B, 授权公告日 2021-03-06.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 1795, (6), 7391-7405.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 237, 5521-5549.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of N-[4-(Difluoromethoxy)phenyl]thiourea Using HRMS and NMR". Anal. Chem., 2025, 740, (3), 4003-4030.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2012, 605, 9177-9202.