发明人王建平,孙丽萍,马晓峰. "Method for the Synthesis of 7-(Dimethylamino)-4-methyl-3-nitro-2H-1-benzopyran-2-one" [P]. 中国发明专利, 专利号 CN 111033526 B, 授权公告日 2020-11-15.
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". Sci. Total Environ., 2022, 1704, (3), 702-716.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2021, 2052, 9580-9587.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 7-(Dimethylamino)-4-methyl-3-nitro-2H-1-benzopyran-2-one Using HRMS and NMR". Molecules, 2024, 1479, 9738-9750.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2016, 241, 607-620.