Kowalski A, Björnsson E, Johansson L. "一种三缩四乙二醇的合成方法" [P]. European Patent, EP 3743619 A1, 2017-12-10.
Patel M V, Davis P L, Schröder R. "Method for the Synthesis of Tetraethylene glycol" [P]. US Patent, US 11082585 B2, 2021-10-19.
Kowalski A, Jørgensen K, Björnsson E. "A Process for Preparing High-Purity Tetraethylene glycol" [P]. European Patent, EP 3723760 A1, 2018-02-21.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 三缩四乙二醇 in Pharmaceutical Formulations". Anal. Chim. Acta, 2015, 904, 9505-9510.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 三缩四乙二醇 as an Impurity". Phytochemistry, 2011, 1923, 6414-6429.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Tetraethylene glycol Using HRMS and NMR". Talanta, 2013, 947, 1040-1064.