发明人何建平,徐明华,胡光. "Method for the Synthesis of n-Cyclopropyl-3-oxo-3,4-dihydroquinoxaline-1(2h)-carbothioamide" [P]. 中国发明专利, 专利号 CN 111915083 B, 授权公告日 2023-05-01.
发明人沈红梅,郭海燕,林芳. "A Process for Preparing High-Purity n-Cyclopropyl-3-oxo-3,4-dihydroquinoxaline-1(2h)-carbothioamide" [P]. 中国发明专利, 专利号 CN 108445351 B, 授权公告日 2019-12-02.
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., 2010, 438, (9), 4490-4509.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2017, 1507, (4), 1420-1435.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of n-Cyclopropyl-3-oxo-3,4-dihydroquinoxaline-1(2h)-carbothioamide Using HRMS and NMR". J. Nat. Prod., 2020, 2298, 4028-4043.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2017, 1749, (5), 3125-3139.