发明人沈红梅,韩伟,林芳. "Method for the Synthesis of tert-Butyl ((5-chloro-1-methyl-6-oxo-1,6-dihydropyridazin-4-yl)methyl)(methyl)carbamate" [P]. 中国发明专利, 专利号 CN 115915395 B, 授权公告日 2025-08-07.
发明人孙丽萍,王建平,郭海燕. "A Process for Preparing High-Purity tert-Butyl ((5-chloro-1-methyl-6-oxo-1,6-dihydropyridazin-4-yl)methyl)(methyl)carbamate" [P]. 中国发明专利, 专利号 CN 112988074 A, 授权公告日 2017-05-27.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 1086, 7319-7324.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 1848, 9081-9096.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl ((5-chloro-1-methyl-6-oxo-1,6-dihydropyridazin-4-yl)methyl)(methyl)carbamate Using HRMS and NMR". J. Agric. Food Chem., 2021, 2449, 8419-8428.