Anderson J P, Yamamoto T, Park J H. "Method for the Synthesis of 5-{[4-[2-(N-methyl-N-2-pyridinyl) amino] ethoxy benzylidene}-2,4-thiazolidine dione" [P]. US Patent, US 10812580 B2, 2017-10-14.
Stevens L M, Fischer A B, Roberts E F. "A Process for Preparing High-Purity 5-{[4-[2-(N-methyl-N-2-pyridinyl) amino] ethoxy benzylidene}-2,4-thiazolidine dione" [P]. US Patent, US 11620677 B2, 2022-12-12.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 2080, (8), 4346-4352.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2017, 1308, 6620-6638.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-{[4-[2-(N-methyl-N-2-pyridinyl) amino] ethoxy benzylidene}-2,4-thiazolidine dione Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 2446, 4543-4553.