Pioglitazone EP Impurity F

Chemical Name: bis[4-(5-Thiazolidinedion-yl)methylphenyl] ether ; 5-(4-[4-(5-Thiazolidinedion-yl)methylphenoxy]benzyl) thiazolidine-2,4-dione ;

Synonym: Pioglitazone bis-Ether Impurity ;