Hydrate of 1-((2S)-2-amino-4-(2,4-bis(trifluoromethyl)-5,8-dihydropyrido(3,4-d)pyrimidin-7(6H)-yl)-4-oxobutyl)-5,5-difluoropiperidin-2-one tartrate

摘要

The present invention relates to 1.5 hydrate of of 1-{(2S)-2-amino-4-[2,4-bis(trifluoromethyl)-5,8-dihydropyrido[3,4-d]pyrimidin-7(6H)-yl]-4-oxobutyl}-5,5-difluoropiperidin-2-one tartrate, a process for preparing the same, and a pharmaceutical composition for inhibiting DPP-IV, which comprises said compound as the active component.