A 4-phenylbutyric acid derivative of Formula (1),wherein Y is selected from 0 or H2； R1 is selected from N2 or H； R2 is a radical of an amino acid, a salicylic acid, a 4-phenylbutyric acid, a catechol, or a derivative of any of the aforementioned； and n is selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, for use in the treatment of an inflammatory disease, an angiopathic disease, otosclerosis, a mental disorder, or tinnitus.
