发明人朱建伟,高志强,周伟. "Method for the Synthesis of 3-Amino-5-(methylamino)isothiazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 114819225 A, 授权公告日 2021-09-12.
发明人钱学锋,林芳,何建平. "A Process for Preparing High-Purity 3-Amino-5-(methylamino)isothiazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 111094484 B, 授权公告日 2019-11-24.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2018, 1666, 1364-1379.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 507, (3), 9798-9806.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-5-(methylamino)isothiazole-4-carbonitrile Using HRMS and NMR". Anal. Chim. Acta, 2020, 1425, (8), 2393-2404.