O'Brien P Q, Anderson J P, Hughes D C. "Method for the Synthesis of 3-Ethyl-1-(methylthio)cyclobutane-1-carboxylic acid" [P]. US Patent, US 10838350 B2, 2019-01-23.
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 in Pharmaceutical Formulations". Anal. Chim. Acta, 2015, 805, 4101-4113.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2024, 991, (9), 1259-1278.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-1-(methylthio)cyclobutane-1-carboxylic acid Using HRMS and NMR". Talanta, 2025, 787, (9), 5949-5964.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2017, 2128, (7), 5521-5549.