2,5-bis-(5-diethylamino-pentylamino)-[1,4]benzoquinone, 2,5-bis-(5-n-hexyloxycarbonyl-2-methylpent-2-yl)-hydroquinone, 2,5-Bis((5-(diethylamino)pentyl)amino)-p-benzoquinone, p-Benzoquinone,2,5-bis((5-(diethylamino)pentyl)amino), 2,5-Bis-(5-diaethylamino-pentylamino)-[1,4]benzochinon, hexyl 5-[2,5-dihydroxy-4-(4-hexyloxycarbonyl-1,1-dimethylbutyl)phenyl]-5-methyl-hexanoate, 2,5-bis(1,1-dimethyl-4-hexyloxycarbonylbutyl)hydroquinone