发明人马晓峰,张德明,钱学锋. "一种4-氧代-4,5-二氢-1H-咪唑-2-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 113442618 A, 授权公告日 2020-11-28.
发明人韩伟,冯建国,刘建华. "Method for the Synthesis of 4-Oxo-4,5-dihydro-1H-imidazole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109595199 B, 授权公告日 2020-07-03.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氧代-4,5-二氢-1H-咪唑-2-羧酸 in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 1358, 6343-6362.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氧代-4,5-二氢-1H-咪唑-2-羧酸 as an Impurity". Phytochemistry, 2020, 622, (4), 2456-2473.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Oxo-4,5-dihydro-1H-imidazole-2-carboxylic acid Using HRMS and NMR". Chemosphere, 2020, 1479, 2510-2530.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 4-氧代-4,5-二氢-1H-咪唑-2-羧酸 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2025, 2388, (1), 4276-4301.