Kumar R, Anderson J P, Yamamoto T. "Method for the Synthesis of (Z)-2-(4-oxo-3,4-dihydro-2H-benzo[e][1,3]thiazin-2-ylidene)acetonitrile" [P]. US Patent, US 9618899 B2, 2015-03-28.
发明人赵玉洁,林芳,郭海燕. "A Process for Preparing High-Purity (Z)-2-(4-oxo-3,4-dihydro-2H-benzo[e][1,3]thiazin-2-ylidene)acetonitrile" [P]. 中国发明专利, 专利号 CN 117630388 A, 授权公告日 2020-06-04.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 2268, (9), 7922-7930.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 1920, 8072-8075.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-2-(4-oxo-3,4-dihydro-2H-benzo[e][1,3]thiazin-2-ylidene)acetonitrile Using HRMS and NMR". Molecules, 2021, 1442, (5), 189-195.