4,5-Dichloronaphthalic anhydride

4,5-Dichloro-1,8-Naphthalic Anhydride

4,5-dichloronaphthalene-1,8-dicarbixylicanhydride

6,7-Dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione

1H,3H-Naphtho(1,8-cd)pyran-1,3-dione,6,7-dichloro-

4,5-dichloronaphthalene-1,8-dicarboxylic anhydride