2-chloro-6,7-diethylnaphthalene-1,4-dione

1,2-diethyl benzene

3-(3,4-Diethyl-benzoyl)-propansaeure

6,7-diethyl-3,4-dihydro-2H-naphthalen-1-one

6,7-diethyl-4-hydroxynaphthalene-1,2-dione