<; p >; this description refers to the Crystalline fumarate Salt of (S) - 3,4 - difluoro - [2 - (4 - fluoro - yodofenilamino) phenyl] [3 - hydroxy - 3 - (2 - azetidin piperidin yl) - triazin-1-yl] - methanone.The description also relates to pharmaceutical compositions that include the Crystalline fumarate Salt of (S) - [32 - (4 - difluoro - 2-fluoro-4 - yodofenilamino) phenyl] [3 - hydroxy - 3 - (2 - azetidin piperidin yl) - triazin-1-yl] - methanone.The description also relates to methods for treating cancers comprising administering to a patient in need of Crystalline fumarate Salt of (S) - [32 - (4 - difluoro - 2-fluoro-4 - yodofenilamino) phenyl] [3 - hydroxy - 3 - (2 - azetidin piperidin yl) - triazin-1-yl] - methanone. <; / p >;<;p>;LA PRESENTE DESCRIPCIÓ;N SE REFIERE A LA SAL DE FUMARATO CRISTALINA DE (S)-[3,4-DIFLUORO-2-(2-FLUORO-4-YODOFENILAMINO)FENIL][3- HIDROXI-3-(PIPERIDIN-2-IL)AZETIDIN-1-IL]-METANONA. LA DESCRIPCIÓ;N TAMBIÉ;N SE REFIERE A COMPOSICIONES FARMACÉ;UTICAS QUE COMPRENDEN LA SAL DE FUMARATO CRISTALINA DE (S)-[3,4-DIFLUORO-2-(2-FLUORO-4-YODOFENILAMINO)FENIL][3-HIDROXI-3-(PIPERIDIN-2-IL) AZETIDIN-1-IL]-METANONA. LA DESCRIPCIÓ;N TAMBIÉ;N SE REFIERE A MÉ;TODOS PARA TRATAR CÁ;NCERES QUE COMPRENDEN ADMINISTRARLE A UN PACIENTE QUE LO NECESITA LA SAL DE FUMARATO CRISTALINA DE (S)-[3,4-DIFLUORO-2-(2-FLUORO-4-YODOFENILAMINO)FENIL][3-HIDROXI-3- (PIPERIDIN-2-IL)AZETIDIN-1-IL]-METANONA.<;/p>;