1-Cyclopropyl-8-methyl-7- [5-methyl-6- (methylamino) -3-pyridinyl] -4-oxo-1,4-dihydro-3-quinolinecarboxylic acid salts. The present invention relates to a salt which is provided from 1-cyclopropyl-8-methyl-7- [5-methyl-6- (methylamino) -3-pyridinyl] -4-oxo-1,4-dihydroic acid. hydro-3-quinolinecarboxylic selected from the group consisting of citrate, hemifuramate, meleate, 1-tartrate, mesylate, hydrochloride, potassium and sodium salts.sais do ácido 1-ciclopropil-8-metil-7-[5-metil-6-(metilamo)-3-piridinil]-4-oxo-1,4-di-hidro-3-quinolinacarboxílico. a presente invenção refere-se a um sal que é fornecido do ácido 1-ciclopropil-8-metil-7-[5-metil-6-(metilamino)-3-piridinil]-4-oxo-1,4-di-hidro-3-quinolinacarboxílico selecionado do grupo consistindo dos sais citrato, hemifuramato, meleato, l-tartrato, mesilato, cloridrato, potássio e sódio.