A preparation for oral administration comprising as active ingredient a medicinal substance chosen from the group consisting of (S) -2- (2-hydroxymethyl-1-pyrrolidinyl) -4- (3-chloro-4-methoxybenzylamino) -5- [N- (2-pyrimidinylmethyl) carbamoyl] -pyrimidine, 2- (5,6,7,8-tetrahydroimidazo [1,2-a] pyrazin-7-yl) -4- (3-chloro-4-methoxybenzylamino ) -5- [N- (2- pyrimidinylmethyl) carbamoyl] pyrimidine, 2- (5,6,7,8-tetrahydro-1,7-naphthyridin-7-yl) -4- (3-chloro-4-methoxybenzylamino ) -5- [N- (2-morpholinoethyl) -carbamoyl] pyrimidine, (S) -2- (2-hydroxymethyl-1-pyrrolidinyl) -4- (3-chloro-4-methoxybenzylamino) -5- [N- (5-pyrimidinylmethyl) carbamoyl] pyrimidine and (S) -2- (2-hydroxymethyl-1-pyrrolidinyl) -4- (3-chloro-4-methoxybenzylamino) -5- [N- (1,3,5-trimethyl -4-pyrazolyl) carbamoyl] pyrimidine and an acidic substance.Una preparación para administración por vía oral que comprende como principio activo una sustancia medicinal elegida del grupo formado por (S)-2-(2-hidroximetil-1-pirrolidinil)-4-(3-cloro-4-metoxibencilamino)-5-[N-(2-pirimidinilmetil)carbamo il]-pirimidina, 2-(5,6,7,8-tetrahidroimidazo[1,2-a]piracin-7-il)-4-(3-cloro-4-metoxibencilamino)-5-[N-(2- pirimidinilmetil)carbamoil]pirimidina, 2-(5,6,7,8-tetrahidro-1,7-naftiridin-7-il)-4-(3-cloro-4-metoxibencilamino)-5-[N-(2-morfolinoetil)-carbamoil]pirimidina, (S)-2-(2-hidroximetil-1-pirrolidinil)-4-(3-cloro-4-metoxibencilamino)-5-[N-(5-pirimidinilmetil)carbamoil]pirimidina y (S)-2-(2-hidroximetil-1-pirrolidinil)-4-(3-cloro-4-metoxibencilamino)-5-[N-(1,3,5-trimetil-4-pirazolil)carbamoil]pirimidina y una sustancia ácida.
