(4-异丁基苯基)乙腈

((methoxycarbonyl)(methyl)amino)methyl 2-(4-isobutylphenyl)propanoate

ibuprofen n-propyl ester

2-(4-Isobutyl-phenyl)-propionic acid (benzoyl-ethoxycarbonylmethyl-amino)-methyl ester

2-(4-isobutylphenyl)propanoic propionic anhydride