1-Methyl-2-phenylethyl butanoate 1-Methyl-2-phenylethyl butyrate 1-Phenyl-2-propyl butyrate 68922-11-2 Butanoic acid, 1-methyl-2-phenylethyl ester EINECS 272-983-6 FEMA No. 3197 alpha-Methylphenethyl butyrate