Davis P L, Stevens L M, Johnson M A. "Method for the Synthesis of 3,4-Bis[[(8α,9S)-6'- methoxycinchonan-9-yl]amino]-3-cyclobutene-1,2-dione" [P]. US Patent, US 10482170 B2, 2017-12-11.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2017, 1845, (1), 6328-6333.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 289, 9447-9453.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Bis[[(8α,9S)-6'- methoxycinchonan-9-yl]amino]-3-cyclobutene-1,2-dione Using HRMS and NMR". Sci. Total Environ., 2024, 2178, 1850-1879.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 212, (5), 6228-6241.