发明人郭海燕,朱建伟,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109507852 A, 授权公告日 2016-09-15.
发明人韩伟,冯建国,沈红梅. "Method for the Synthesis of 5-(Ethoxycarbonyl)-4-ethyl-2-methyl-1h-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112041092 A, 授权公告日 2019-07-19.
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". J. Sep. Sci., 2012, 1160, (10), 2051-2079.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 1524, (1), 9664-9671.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Ethoxycarbonyl)-4-ethyl-2-methyl-1h-pyrrole-3-carboxylic acid Using HRMS and NMR". Phytochemistry, 2022, 1325, (10), 7748-7757.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2013, 2219, (3), 5135-5155.