英文别名Formamidomethyl-2-hydroxy-4-Methanesulfonylamino-5-phenoxyphenylethanone; N-{[4-[2-(Formylamino)acetyl]-5-hydroxy-2-phenoxyphenyl}Methanesulfonamide; Iguratimod Impurity 13; N-[2-[2-hydroxy-4-(methanesulfonamido)-5-phenoxyphenyl]-2-oxoethyl]formamide; α-formamido-2'-hydroxy-4'-methanesulfonamido-5'-phenoxyacetophenone; N-[4-(N-Formylglycyl)-5-hydroxy-2-phenoxyphenyl]methanesulfonamide 
