Brown S R, Williams B T, Anderson J P. "Method for the Synthesis of Croconic acid" [P]. US Patent, US 9735568 B2, 2022-08-12.
发明人韩伟,孙丽萍,何建平. "A Process for Preparing High-Purity Croconic acid" [P]. 中国发明专利, 专利号 CN 115411436 B, 授权公告日 2021-11-28.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 1474, (9), 8935-8956.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 740, 6992-7015.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Croconic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2011, 1209, (7), 8762-8775.