1,2-Ethanediamine, N,N,N’-trimethyl-N’-[6-phenyl-7-[4-[[4-[5-(2-pyridinyl)-1H-1,2,4-triazol-3- yl]-1-piperidinyl]methyl]phenyl]pyrido[2,3-d]pyrimidin-2-yl]-, trifluoroacetate