Klinger H, Anderson J P, Fischer A B. "Method for the Synthesis of Metazachlor Impurity 1" [P]. US Patent, US 11474689 B2, 2019-08-12.
发明人孙丽萍,沈红梅,罗永刚. "A Process for Preparing High-Purity Metazachlor Impurity 1" [P]. 中国发明专利, 专利号 CN 116746004 A, 授权公告日 2025-01-09.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 吡草胺杂质1 in Pharmaceutical Formulations". Food Chem., 2014, 2288, 9949-9959.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 吡草胺杂质1 as an Impurity". J. Chromatogr. A, 2010, 995, 4246-4252.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Metazachlor Impurity 1 Using HRMS and NMR". Anal. Chem., 2017, 1481, 9860-9880.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 吡草胺杂质1 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 773, (2), 1296-1309.