abstract |
Pharmaceutical salts of (R)-7-[3-amino -4-(2,4,5-trifluorophenyl)-butyryl] -3-trifluoromethyl-5,6,7,8-tetrahydro-imidazo[1,5-.alpha.] pyrazine-1-formic acid, their preparation methods, compositions containing the said pharmaceutical salts and their use as medicaments, especially as dipeptidyl peptidase IV (DPP-IV) inhibitors are disclosed. |