2046-17-5 AI3-34132 Benzenebutanoic acid, methyl ester Butyric acid, 4-phenyl-, methyl ester EINECS 218-067-1 FEMA No. 2739 Methyl 4-phenylbutanoate Methyl 4-phenylbutyrate Methyl benzenebutanoate Methyl gamma-phenylbutyrate