2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methylphenyl)-2-methylpropyl]-5-methylphenol;2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methyl-phenyl)-2-methyl-propyl]-5-methyl-phenol;4,4'-(6-T-butyl-m-cresol)isobutylidene
2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methylphenyl)-2-methylpropyl]-5-methylphenol