Roberts E F, Stevens L M, O'Brien P Q. "Method for the Synthesis of 1-(1-Methylimidazolidin-2-ylidene)propan-2-one" [P]. US Patent, US 11999654 B2, 2022-02-08.
发明人胡光,刘建华,马晓峰. "A Process for Preparing High-Purity 1-(1-Methylimidazolidin-2-ylidene)propan-2-one" [P]. 中国发明专利, 专利号 CN 110353958 B, 授权公告日 2023-06-05.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 1236, (9), 4845-4871.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2014, 1531, 6960-6974.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1-Methylimidazolidin-2-ylidene)propan-2-one Using HRMS and NMR". Talanta, 2011, 1061, 1921-1943.