XINAFOATE SALT OF N4-(2,2-DIFLUORO-4H-BENZO[1,4]OXAZIN-3-ONE)-6-YL]-5-FLUORO-N2-[3-(METHYLAMINOCAR BONYLMETHYLENEOXY)PHENYL]2,4-PYRIMIDINEDIAMINE

摘要

The present invention relates to the xinafoate salt of N4-[(2,2-difluoro-4H-benzo[1,4]oxazin-3-one)-6-yl]-5-fluoro-N2-[3-(methylaminocarbonylmethyleneoxy)phenyl]-2,4-pyrimidinediamine. This compound is a suitable drug substance and is useful in the treatment of conditions including asthma.