Yamamoto T, Stevens L M, Chen K W. "一种的合成方法" [P]. US Patent, US 9735477 B2, 2019-11-19.
Thompson G K, Lee S K, Anderson J P. "Method for the Synthesis of 5-Amino-6-methoxynicotinic acid" [P]. US Patent, US 11991180 B2, 2020-09-15.
发明人胡光,马晓峰,唐晓军. "A Process for Preparing High-Purity 5-Amino-6-methoxynicotinic acid" [P]. 中国发明专利, 专利号 CN 111158462 A, 授权公告日 2017-09-28.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 1905, 206-221.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 653, 198-210.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-6-methoxynicotinic acid Using HRMS and NMR". J. Agric. Food Chem., 2014, 1488, (7), 2703-2714.