Pharmaceutical composition useful for the treatment of tinnitus and hearing loss

摘要

The present invention relates to the use of the compounds of formula (II) or any pharmaceutically acceptable salt thereof, in the preparation of pharmaceutical composition useful for decreasing or eliminating tinnitus and for decreasing hearing loss, wherein R1, R2, R3 and R4 are independently selected from the group of H, methyl, ethyl, propyl or isopropyl.