1-Methyl-1-phenylethyl 2-methylpropanoate 1-Methyl-1-phenylethyl isobutyrate 2-Phenylpropan-2-yl 2-methylpropanoate 2-Phenylpropan-2-yl isobutyrate 7774-60-9 EINECS 231-876-4 FEMA No. 2388 Isobutyric acid, alpha,alpha-dimethylbenzyl ester Phenyl dimethyl carbinyl isobutyrate Propanoic acid, 2-methyl-, 1-methyl-1-phenylethyl ester alpha,alpha-Dimethylbenzyl 2-methylpropanoate alpha,alpha-Dimethylbenzyl isobutyrate