The present invention provides an aminopyridine compound selected from the group consisting of: (2s, 4s) -1 - [(3-chloro-2-fluoro-phenyl) methyl] -4 - [[3-fluoro-6- [ (5-methyl-1h-pyrazol-3-yl) amino] -2-pyridyl] methyl] -2-methylpiperidine-4-carboxylic acid and (2r, 4r) -1 - [(3-chloro-2- fluoro-phenyl) methyl] -4 - [[3-fluoro-6 - [(5-methyl-1H-pyrazol-3-yl) amino] -2-pyridyl] methyl] -2-methylpiperidine-4 -carboxylic, or a pharmaceutically acceptable salt thereof, which inhibits aurora a and therefore may be useful in treating cancer.a presente invenção fornece um composto de aminopiridina selecionado do grupo que consiste em: ácido (2s,4s)-1-[(3-cloro-2-fluoro-fenil)metil]-4-[[3-fluoro-6-[(5-metil-1h-pirazol-3-il)amino]-2-piridil] metil]-2-metil-piperidina-4-carboxílico e ácido (2r,4r)-1-[(3-cloro-2-flu-oro-fenil)metil]-4-[[3-fluoro-6-[(5-metil-1h-pirazol-3-il)amino]-2-piridil] metil]-2-metil-piperidina-4-carboxílico, ou um sal farmaceuticamente aceitável destes, que inibe a aurora a e, portanto, pode ser útil no tratamento de câncer.
