17540-75-9 2,6-Di-tert-butyl-4-sec-butylphenol 4-sec-Butyl-2,6-di-tert-butylphenol EINECS 241-533-0 NSC 14460 Phenol, 2,6-bis(1,1-dimethylethyl)-4-(1-methylpropyl)- Phenol, 4-sec-butyl-2,6-di-tert-butyl-