4-Acetylamino-4'-butyrylaminodiphenyl sulfone Butanamide, N-(4-((4-(acetylamino)phenyl)sulfonyl)phenyl)- Butyranilide, 4'-((p-acetamidophenyl)sulfonyl)- EJ3496000 N-(4-((4-(Acetylamino)phenyl)sulfonyl)phenyl)butanamide