1233-70-1 Diarbaron Diarbarona Diarbarone Diarbarone [INN:DCF] Diarbaronum N-(2-(Diethylamino)ethyl)-4-hydroxy-2-oxo-2H-1-benzopyran-3-carboxamide N-(2-(Diethylaminoethyl)-4-hydroxy-3-cumarincarboxamid