Anderson J P, Lee S K, Williams B T. "一种的合成方法" [P]. US Patent, US 10774527 B2, 2024-04-03.
发明人郭海燕,罗永刚,徐明华. "Method for the Synthesis of 1-Ethyl-2-methyl-1h-benzo[d]imidazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117790990 B, 授权公告日 2023-10-07.
Schröder R, Klinger H, Davis P L. "A Process for Preparing High-Purity 1-Ethyl-2-methyl-1h-benzo[d]imidazole-4-carboxylic acid" [P]. US Patent, US 10019229 B2, 2015-06-09.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 420, (5), 4272-4295.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 130, 160-164.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-2-methyl-1h-benzo[d]imidazole-4-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2025, 1301, (5), 4366-4381.