Ibuprofen EP Impurity - D

α,4-Dimethylbenzeneacetic Acid; p-Methylhydratropic Acid; (±)-2-(p-Methylphenyl)propionic Acid; 2-(4-Methylphenyl)propanoic Acid; 2-(4-Methylphenyl)propionic Acid;2-(p-Methylphenyl)propionic Acid; 2-p-Tolylpropionic Acid; p-Methylhydratropic Acid; α,4-Dimethylbenzeneacetic Acid; α-(p-Tolyl)propionic Acid; (2RS)-2-(4-Methylphenyl)propanoic Acid; Diphenhydramine; Methyl ibuprofen; 2-p-Tolylpropanoic acid (USP);