Mueller T, Lee S K, Roberts E F. "Method for the Synthesis of 4-Chloropyrrole-2-carboxylic Acid" [P]. US Patent, US 9894385 B2, 2017-04-21.
Patel M V, Stevens L M, Lee S K. "A Process for Preparing High-Purity 4-Chloropyrrole-2-carboxylic Acid" [P]. US Patent, US 11354223 B2, 2023-02-10.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氯吡咯-2-甲酸 in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 2416, 7522-7536.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氯吡咯-2-甲酸 as an Impurity". Talanta, 2012, 87, (3), 9335-9358.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloropyrrole-2-carboxylic Acid Using HRMS and NMR". Phytochemistry, 2013, 1531, (2), 2323-2346.