2-(p-Isobutylphenyl)propionic acid o-methoxyphenyl ester 2-Methoxyphenyl 2-(4-isobutylphenyl)propionate 2-Methoxyphenyl alpha-methyl-4-(isobutyl)phenylacetate 66332-77-2 AF 2259 BRN 2664678 Benzeneacetic acid, alpha-methyl-4-(2-methylpropyl)-, 2-methoxyphenyl ester EINECS 266-318-9 Guaiacol 4-isobutylhydratropate Ibuprofen guaiacol ester Metoxibutropate Propionic acid, 2-(p-isobutylphenyl)-, o-methoxyphenyl ester alpha-Methyl-4-(2-methylpropyl)benzeneacetic acid 2-methoxyphenyl ester