1,2-dimethoxy-4-phenylmethoxynaphthalene

2-phenyl-3,4-dihydro-2H-benzo[h]chromene-5,6-dione

4-hydroxy-5,6,7,8-tetrahydronaphthalene-1,2-dione

4-hydroxy-3-[(1-hydroxy-3,4-dioxonaphthalen-2-yl)methyl]naphthalene-1,2-dione

4-hydroxy-3-[3-(4-phenylmethoxyphenyl)propyl]naphthalene-1,2-dione