6-(Acetylamino)coumarin 6-Acetamido-1,2-benzopyrone 6-Acetamidocoumarin 6-Acetylamino-1, 2-benzopyrone 833-68-1 AIDS-125475 AIDS125475 Acetamide, N-(2-oxo-2H-1-benzopyran-6-yl)- Coumarin, 6-acetamido- N-(2-Oxo-2H-chromen-6-yl)acetamide NSC73720