Einecs 257-621-7

tert-butyl 1-methyl-1-(4-tolyl)ethyl peroxide

(4-Methyl-α,α-dimethylbenzyl)tert-butyl peroxide

[1-(4-Methylphenyl)-1-methylethyl]tert-butyl peroxide

1,1-Dimethylethyl[1-methyl-1-(4-methylphenyl)ethyl] peroxide