naphtho[2,3-c]furan-1,3-dione

benzo[f][2]benzofuran-1,3-dione

benzo[f]isobenzofuran-1,3-quinone

2,3-NAPHTHALENEDICARBOXYLIC ANHYDRIDE

1,3-Dihydronaphtho[2,3-c]furan-1,3-dione

2,3,NAPHTHALENEDICARBOXYLIC ACIDANHYDRIDE