英文别名1-Oxo Ibuprofen; AKOS 90964; (2RS)-2-(4-ISOBUTYRYLPHENYL)PROPANOIC ACID; IBUPROFEN IMPURITY J; 1-Oxo Ibuprofen (Ibuprofen Impurity J); 2-(4-Isobutyrylphenyl)propionic Acid; a-Methyl-4-(2-methyl-1-oxopropyl)benzeneacetic Acid; (2RS)-2-[4-(2-Methylpropanoyl)phenyl] propanoic acid; 2-[4-(2-methylpropanoyl)phenyl]propanoic acid