发明人张德明,杨光,冯建国. "Method for the Synthesis of 2-[5-(Hydroxymethyl)-3-methyl-1,3-oxazolidin-2-ylidene]-3-(3-oxo-1,3-dihydro-2H-indol-2-ylidene)propanenitrile" [P]. 中国发明专利, 专利号 CN 116829842 A, 授权公告日 2023-01-24.
Davis P L, Kumar R, Anderson J P. "A Process for Preparing High-Purity 2-[5-(Hydroxymethyl)-3-methyl-1,3-oxazolidin-2-ylidene]-3-(3-oxo-1,3-dihydro-2H-indol-2-ylidene)propanenitrile" [P]. US Patent, US 10188218 B2, 2025-08-17.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2020, 212, 239-264.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 707, 1210-1228.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-[5-(Hydroxymethyl)-3-methyl-1,3-oxazolidin-2-ylidene]-3-(3-oxo-1,3-dihydro-2H-indol-2-ylidene)propanenitrile Using HRMS and NMR". J. Agric. Food Chem., 2024, 2024, (3), 5531-5535.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2016, 450, 3241-3261.