This present invention relates to forms of methyl {4.6-diamino-2-[1-(2-fluorobenzyl)-1H- pyrazolo[3.4-b]pyridino-3-yl]pyrimidino-5-yl}methylcarbamate comprising its Modification I. Modification II. mono-DMSO solvate. sesqui-DMSO solvate and 1/4-ethyl acetate solvate.La presente invención se refiere a las formas del metil {4,6-diamino-2-[1-(2-fluorobencil)-1H-pirazolo [3,4-b]piridino-3-il]pirimidino-5-il}metilcarbamato que comprende su modificación I. modificación II. solvato de mono-DMSO. solvato de sesqui-DMSO y solvato de 1/4-acetato de etilo.