4-18-00-07966 (Beilstein Handbook Reference) 5096-19-5 6H-DIBENZO(b,d)PYRAN-6-ONE, 2-ACETAMIDO- Acetamide, N-(6-oxo-6H-dibenzo(b,d)pyran-2-yl)- (8CI)(9CI) BRN 0230597 N-(6-Oxo-6H-dibenzo(b,d)pyran-1-yl)acetamide N-6-(3,4-Benzocoumarinyl)acetamide NSC 67721