发明人何建平,冯建国,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115473970 A, 授权公告日 2024-02-19.
发明人高志强,李文辉,沈红梅. "Method for the Synthesis of N-methyl-7-nitro-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 110771091 B, 授权公告日 2020-02-03.
Johansson L, Rossi M, Nowak P. "A Process for Preparing High-Purity N-methyl-7-nitro-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide" [P]. European Patent, EP 3735798 A1, 2022-08-02.
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". Chromatographia, 2011, 2330, (5), 6303-6319.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 482, 1014-1041.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of N-methyl-7-nitro-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide Using HRMS and NMR". Anal. Chem., 2010, 2031, 5794-5803.