4-Propionylamino-4'-butyrylaminodiphenyl sulfone Butanamide, N-(4-((4-((1-oxopropyl)amino)phenyl)sulfonyl)phenyl)- Butyranilide, 4'-((p-propionamidophenyl)sulfonyl)- EJ3670000 N-(4-((4-((1-Oxopropyl)amino)phenyl)sulfonyl)phenyl)butanamide