发明人郭海燕,杨光,钱学锋. "Method for the Synthesis of 6-Amino-2,2-difluoro-2H-1,3-benzodioxole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117278406 B, 授权公告日 2020-08-25.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 298, 8634-8643.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2012, 1075, 3635-3665.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6-Amino-2,2-difluoro-2H-1,3-benzodioxole-5-carboxylic acid Using HRMS and NMR". Anal. Methods, 2019, 919, 2353-2358.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2011, 1933, 5818-5827.