英文别名DL-2-(4-Carboxyphenyl)propionic Acid; Ibuprofen Related Compound (4-(1-Carboxy-ethyl)-Benzoic Acid); 4-(1-Carboxy-ethyl)-benzoic acid; 2-p-carboxyphenylpropionic acid; Ibuprofen Related Compound 2; Ibuprofen EP Impurity 52; Benzeneacetic acid, 4-carboxy-α-methyl-; Ibuprofen Impurity 28; 4-Carboxy-α-methylbenzeneacetic Acid; Loxoprofen Impurity 4 
