7H-Pyrazolo[3,4-c]pyridin-7-one,1,4,5,6-tetrahydro-6-[4-[1-[[(3R)-3-hydroxy-1-pyrrolidinyl]methyl]cyclobutyl]phenyl]-1-(4-methoxyphenyl)-3-(trifluoromethyl)-, trifluoroacetate (salt)