英文别名(2RS)-2-(4-ISOBUTYRYLPHENYL)PROPANOIC ACID; IBUPROFEN IMPURITY J; 2-(4-Isobutyrylphenyl)propionic Acid; α-Methyl-4-(2-methyl-1-oxopropyl)benzeneacetic Acid; (2RS)-2-[4-(2-Methylpropanoyl)phenyl] propanoic acid; 2-[4-(2-methylpropanoyl)phenyl]propanoic acid 
