英文别名Edoxaban Impurity 23; Edoxaban Impurity 25; ethyl 2-((3-chloropyridin-2-yl)amino)-2-oxoacetate (Edoxaban Impurity); Acetic acid, 2-[(3-chloro-2-pyridinyl)amino]-2-oxo-, ethyl ester; Idoxaban Impurity 49; Ethyl [(3-chloro-2-pyridinyl)amino](oxo)acetate 
