perfluoro-2-phenoxy-2,5-cyclohexadien-1-one

2,3,4,5,6,6-hexafluorocyclohexa-2,4-dien-1-one

trifluoroethoxy-p-benzoquinone

2,5-difluoro-3,6-dihydroxy-p-benzoquinone

3,4,6-trifluoro-5-hydroxycyclohexa-3,5-diene-1,2-dione