Acebutolol IMpurity A (EP);N-(3-acetyl-4-(oxiran-2-ylMethoxy)phenyl)butyraMide;Acebutolol EP IMpurity A;N-(4-Glycidyloxy-3-acetylphenyl)butanamide;3Acetyl-4(2,3-epoxypropoxy)-butyranilide;N-[3-Acetyl-4-(oxiranylmethoxy)phenyl]-butanamid;N-[3-Acetyl-4-(oxiranylmethoxy)phenyl]-butanamide;Acebutolol Impurity 1(Acebutolol EP Impurity A)