Williams B T, Roberts E F, Mueller T. "Method for the Synthesis of 4-(2-Phenylbutanoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. US Patent, US 11544978 B2, 2023-06-24.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2021, 251, (9), 6583-6588.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 1391, 3380-3389.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Phenylbutanoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2013, 2066, (11), 7481-7497.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2024, 213, 9533-9540.