6-methoxyphenanthrene-1,4-dione

8-methoxyphenanthrene-1,4-dione

2,5-bis(diethylamino)cyclohexa-2,5-diene-1,4-dione

5,8-diacetoxy-1,4-dihydro-1,4-ethanonaphthalene

2-(4-hydroxyphenyl)-1-phenylethanone