Johansson L, Sørensen M, Björnsson E. "Method for the Synthesis of N-(5-Methyl-2,4-dioxodihydrofuran-3(2H)-ylidene)acetamide" [P]. European Patent, EP 3835738 A1, 2020-06-23.
发明人郭海燕,刘建华,沈红梅. "A Process for Preparing High-Purity N-(5-Methyl-2,4-dioxodihydrofuran-3(2H)-ylidene)acetamide" [P]. 中国发明专利, 专利号 CN 114896373 B, 授权公告日 2019-09-08.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2025, 125, (2), 3718-3739.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2024, 1211, 9238-9246.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of N-(5-Methyl-2,4-dioxodihydrofuran-3(2H)-ylidene)acetamide Using HRMS and NMR". Anal. Chim. Acta, 2016, 1857, 5344-5369.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2011, 801, (8), 8825-8832.