Roberts E F, Stevens L M, Mueller T. "Method for the Synthesis of 1-((5-(Hydroxy(thiophen-2-yl)methyl)thiophen-2-yl)methyl)-3-phenylurea" [P]. US Patent, US 11360275 B2, 2020-11-27.
Thompson G K, Roberts E F, Anderson J P. "A Process for Preparing High-Purity 1-((5-(Hydroxy(thiophen-2-yl)methyl)thiophen-2-yl)methyl)-3-phenylurea" [P]. US Patent, US 9440827 B2, 2015-01-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2013, 2314, (9), 6969-6974.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 2096, 9904-9907.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-((5-(Hydroxy(thiophen-2-yl)methyl)thiophen-2-yl)methyl)-3-phenylurea Using HRMS and NMR". Environ. Sci. Technol., 2021, 1262, 5302-5321.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 1968, (12), 7017-7027.