英文别名Edoxaban Impurity 41; Edoxaban Impurity 20 (1R,2R,4S); tert-butyl N-[(1R,2R,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl]carbamate;oxalic acid; tert-Butyi-(1R, 5S)-2-amino edoxaban oxalate; Edoxaban Impurity 44; EdoxabanImpurity20Oxalate; Edoxaban Impurity 34(Oxalate)