2,6-Di-tert-butyl-4-methoxymethylphenol 87-97-8 DTB Ethyl Antioxidant 762 Ionol 4 Methyl ether of 3,5-di-tert-butyl-4-hydroxybenzene NSC39711 Phenol, 2,6-bis(1,1-dimethylethyl)-4-(methoxymethyl)- Phenol, 2,6-di-tert-butyl-4-methoxymethyl- p-Cresol, 2,6-di-tert-butyl-.alpha.-methoxy-