Jørgensen K, Nielsen H, Björnsson E. "Method for the Synthesis of 5-(Ethoxycarbonyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid" [P]. European Patent, EP 3370749 A1, 2020-01-09.
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". Chemosphere, 2017, 1650, (6), 1332-1338.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 1127, 3616-3634.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Ethoxycarbonyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid Using HRMS and NMR". Anal. Methods, 2012, 2058, 7468-7495.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2022, 1303, (4), 5034-5041.