Martínez F, Johansson L, Nielsen H. "Method for the Synthesis of 5-Bromo-3-nitro-thiophene-2-carboxylic Acid" [P]. European Patent, EP 3507209 A1, 2019-04-09.
Kowalski A, Rossi M, Schröder R. "A Process for Preparing High-Purity 5-Bromo-3-nitro-thiophene-2-carboxylic Acid" [P]. European Patent, EP 3753666 A1, 2019-03-11.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 3-硝基-5-溴-2-噻吩甲酸 in Pharmaceutical Formulations". Anal. Chem., 2011, 532, (9), 5976-5995.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-硝基-5-溴-2-噻吩甲酸 as an Impurity". Chromatographia, 2019, 772, 1250-1259.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-3-nitro-thiophene-2-carboxylic Acid Using HRMS and NMR". Talanta, 2025, 1903, 2057-2064.