Stevens L M, Klinger H, Hughes D C. "Method for the Synthesis of Gramicidin ADiscontinued" [P]. US Patent, US 11901006 B2, 2022-02-06.
发明人冯建国,刘建华,赵玉洁. "A Process for Preparing High-Purity Gramicidin ADiscontinued" [P]. 中国发明专利, 专利号 CN 111450866 A, 授权公告日 2018-07-10.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 2161, 6570-6588.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 1871, (9), 337-363.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Gramicidin ADiscontinued Using HRMS and NMR". Molecules, 2015, 237, 8875-8886.