2,5-bis(4-butylphenyl)-3,6-dihydroxycyclohexa-2,5-diene-1,4-dione

2,5-dichloro-3,6-dimorpholin-4-ylcyclohexa-2,5-diene-1,4-dione

(2,5-dichloro-4-methoxyphenyl) dimethyl phosphate

(2,5-dichloro-4-trimethylsilyloxyphenoxy)-trimethylsilane