发明人李文辉,张德明,高志强. "一种1-氨基乙内酰脲盐酸盐-13C的合成方法" [P]. 中国发明专利, 专利号 CN 115287300 A, 授权公告日 2018-12-28.
Lee S K, Williams B T, Fischer A B. "Method for the Synthesis of 1-Aminoimidazolidine-2,4-dione-5-13C hydrochloride" [P]. US Patent, US 11597534 B2, 2019-02-27.
发明人朱建伟,郭海燕,杨光. "A Process for Preparing High-Purity 1-Aminoimidazolidine-2,4-dione-5-13C hydrochloride" [P]. 中国发明专利, 专利号 CN 112130191 B, 授权公告日 2020-04-28.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 1-氨基乙内酰脲盐酸盐-13C in Pharmaceutical Formulations". J. Chromatogr. A, 2016, 2307, 7990-8012.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-氨基乙内酰脲盐酸盐-13C as an Impurity". Environ. Sci. Technol., 2022, 2461, 3146-3172.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Aminoimidazolidine-2,4-dione-5-13C hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 340, (10), 4429-4444.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 1-氨基乙内酰脲盐酸盐-13C Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 191, 1330-1352.