发明人徐明华,冯建国,唐晓军. "Method for the Synthesis of 1,3,4-trimethyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111535990 A, 授权公告日 2025-02-27.
Schröder R, Johnson M A, Yamamoto T. "A Process for Preparing High-Purity 1,3,4-trimethyl-1H-pyrrole-2-carboxylic acid" [P]. US Patent, US 9432800 B2, 2024-06-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2022, 1852, (12), 7625-7654.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 2369, (10), 4505-4523.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1,3,4-trimethyl-1H-pyrrole-2-carboxylic acid Using HRMS and NMR". Talanta, 2019, 1935, (7), 8147-8154.