Kowalski A, Jørgensen K, Nowak P. "一种的合成方法" [P]. European Patent, EP 3092831 A1, 2021-04-07.
Lefèvre J P, Sørensen M, Schröder R. "Method for the Synthesis of Nigranoic acid" [P]. European Patent, EP 3541720 A1, 2022-04-17.
发明人何建平,杨光,胡光. "A Process for Preparing High-Purity Nigranoic acid" [P]. 中国发明专利, 专利号 CN 116762106 A, 授权公告日 2018-10-20.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2024, 664, (3), 7374-7391.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 169, (12), 7896-7916.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Nigranoic acid Using HRMS and NMR". Biomed. Chromatogr., 2012, 1620, 5444-5470.