Johansson L, Björnsson E, Mueller T C. "Method for the Synthesis of tert-Butyl 4-[2-(methoxycarbonyl)-4-nitrophenyl]piperazine-1-carboxylate" [P]. European Patent, EP 3906133 A1, 2020-03-22.
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". Chemosphere, 2020, 859, (6), 5856-5872.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 2213, (7), 941-945.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-[2-(methoxycarbonyl)-4-nitrophenyl]piperazine-1-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 2402, (3), 8566-8581.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2011, 348, (10), 5638-5649.