O'Brien P Q, Fischer A B, Anderson J P. "一种溴甲纳曲酮杂质8的合成方法" [P]. US Patent, US 10690261 B2, 2022-10-20.
Stevens L M, Kumar R, Thompson G K. "Method for the Synthesis of Methylnaltrexone Bromide Impurity 8" [P]. US Patent, US 10428099 B2, 2020-04-14.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 溴甲纳曲酮杂质8 in Pharmaceutical Formulations". Chromatographia, 2015, 1260, (9), 7670-7687.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 溴甲纳曲酮杂质8 as an Impurity". Chemosphere, 2018, 1920, (7), 6399-6426.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methylnaltrexone Bromide Impurity 8 Using HRMS and NMR". Sci. Total Environ., 2017, 2112, (1), 9478-9499.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 溴甲纳曲酮杂质8 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2017, 1336, (10), 6341-6346.