2,5-diazido-3,6-bis-(1,1-dimethyl-propyl)-[1,4]benzoquinone
3,5,6-Trichloro-2,5-bis-(1,1-dimethyl-propyl)-cyclohex-2-ene-1,4-dione
2,5-Dichlor-3,6-di-t-pentyl-1,4-benzochinon
2-Chlor-3,6-di-t-pentyl-1,4-benzochinon
2,5-di(tert-amyl)-1,4-hydroquinone