Kowalski A, Nielsen H, Schröder R. "Method for the Synthesis of Ethyl 1-(4-aminophenyl)cyclobutanecarboxylate" [P]. European Patent, EP 3001819 A1, 2018-05-01.
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". Anal. Methods, 2025, 767, (5), 297-322.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 1182, (12), 2330-2341.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(4-aminophenyl)cyclobutanecarboxylate Using HRMS and NMR". Chromatographia, 2013, 1156, (12), 489-508.