发明人韩伟,徐明华,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114609617 A, 授权公告日 2018-11-24.
Anderson J P, Park J H, Klinger H. "Method for the Synthesis of 4-ethyl-5-(hydroxymethyl)-3-methyl-1H-pyrrole-2-carboxylic acid" [P]. US Patent, US 11946353 B2, 2016-02-17.
Fischer A B, Williams B T, O'Brien P Q. "A Process for Preparing High-Purity 4-ethyl-5-(hydroxymethyl)-3-methyl-1H-pyrrole-2-carboxylic acid" [P]. US Patent, US 10124070 B2, 2018-06-06.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 1264, 6625-6641.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 609, 1168-1172.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-ethyl-5-(hydroxymethyl)-3-methyl-1H-pyrrole-2-carboxylic acid Using HRMS and NMR". Phytochemistry, 2014, 1697, (3), 5828-5832.