2,2-dimethyl-1H-cyclobuta[b]naphthalene-3,8-dione

2,3-dibromonaphthalene-1,4-diol

10-methylbenzo[a]phenoxazin-5-one

2-bromo-3-methylsulfanylnaphthalene-1,4-dione

3-bromo-4-hydroxynaphthalene-1,2-dione