137754-49-5 6386-38-5 88731-45-7 Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, methyl ester EINECS 228-985-4 Hydrocinnamic acid, 3,5-di-tert-butyl-4-hydroxy-, methyl ester Methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate