Fischer A B, Hughes D C, Schröder R. "Method for the Synthesis of 2-Phenyl-1,3,8-triazaspiro[4.5]dec-1-en-4-one" [P]. US Patent, US 11160417 B2, 2019-11-11.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2019, 1826, 3254-3273.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 166, (12), 4707-4734.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-Phenyl-1,3,8-triazaspiro[4.5]dec-1-en-4-one Using HRMS and NMR". J. Nat. Prod., 2016, 2145, 4717-4724.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2021, 834, 4830-4848.