1-Phenyl-1-ethyl 2-methylpropanoate 1-Phenyl-1-ethyl isobutyrate 1-Phenylethyl isobutyrate 7775-39-5 EINECS 231-894-2 FEMA No. 2687 Isobutyric acid, alpha-methylbenzyl ester Methylphenylcarbinyl isobutyrate Propanoic acid, 2-methyl-, 1-phenylethyl ester Styralyl isobutyrate alpha-Methylbenzyl 2-methylpropanoate alpha-Methylbenzyl isobutyrate