Hughes D C, Thompson G K, Johnson M A. "一种的合成方法" [P]. US Patent, US 10952784 B2, 2015-12-09.
发明人罗永刚,郑宇鹏,马晓峰. "Method for the Synthesis of 4-Methylumbelliferyl N-N-N-N-tetraacetyl-β-D-chitotetraoside" [P]. 中国发明专利, 专利号 CN 115557857 B, 授权公告日 2018-08-25.
发明人周伟,朱建伟,高志强. "A Process for Preparing High-Purity 4-Methylumbelliferyl N-N-N-N-tetraacetyl-β-D-chitotetraoside" [P]. 中国发明专利, 专利号 CN 109205283 A, 授权公告日 2022-10-10.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2022, 885, (7), 5361-5375.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2011, 1753, 1392-1406.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methylumbelliferyl N-N-N-N-tetraacetyl-β-D-chitotetraoside Using HRMS and NMR". Anal. Chim. Acta, 2011, 252, (6), 3437-3451.