Stevens L M, Lee S K, Thompson G K. "Method for the Synthesis of 5-formyl-4-methylfuran-2-carboxylic acid" [P]. US Patent, US 11031504 B2, 2024-06-14.
Klinger H, Roberts E F, Williams B T. "A Process for Preparing High-Purity 5-formyl-4-methylfuran-2-carboxylic acid" [P]. US Patent, US 11233654 B2, 2017-04-02.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 1207, 6642-6666.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2012, 1436, 7630-7634.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-formyl-4-methylfuran-2-carboxylic acid Using HRMS and NMR". Anal. Methods, 2020, 1317, (1), 6224-6252.