Nowak P, Sørensen M, Schröder R. "Method for the Synthesis of 1-(2-Imino-5-propyl-1,3,4-oxadiazol-3(2H)-yl)ethanone" [P]. European Patent, EP 3642056 A1, 2023-07-24.
Schröder R, Johansson L, Mueller T C. "A Process for Preparing High-Purity 1-(2-Imino-5-propyl-1,3,4-oxadiazol-3(2H)-yl)ethanone" [P]. European Patent, EP 3644285 A1, 2022-09-11.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 739, (2), 7215-7231.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 2078, (11), 7887-7915.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Imino-5-propyl-1,3,4-oxadiazol-3(2H)-yl)ethanone Using HRMS and NMR". J. Agric. Food Chem., 2019, 2317, (3), 285-314.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2020, 690, 8209-8219.