N-[4-(methanesulfonamido)-2-methoxyphenyl]butanamide; N-(2-Methoxy-4-(methylsulfonamido)phenyl)butyramide; Butanamide, N-[2-methoxy-4-[(methylsulfonyl)amino]phenyl]; N-[2-Methoxy-4-[(methylsulfonyl)amino]phenyl]butanamide