Sørensen M, Jørgensen K, Johansson L. "Method for the Synthesis of Methyl 2-{[amino(imino)methyl]thio}-3-oxobutanoate hydrochloride" [P]. European Patent, EP 3031717 A1, 2023-06-14.
Williams B T, Yamamoto T, Fischer A B. "A Process for Preparing High-Purity Methyl 2-{[amino(imino)methyl]thio}-3-oxobutanoate hydrochloride" [P]. US Patent, US 9229804 B2, 2025-06-17.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 1014, 1373-1381.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2020, 1425, (8), 635-647.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-{[amino(imino)methyl]thio}-3-oxobutanoate hydrochloride Using HRMS and NMR". J. Agric. Food Chem., 2012, 2339, 8816-8833.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 1220, 4775-4796.