A PHARMACEUTICAL FORMULATION, COMPRISING: A COMPOUND OF FORMULA (I), A TAUTOMER OF THE COMPOUND, A SALT OF THE COMPOUND, A SALT OF THE TAUTOMER, OR A MIXTURE THEREOF AND AT LEAST ONE INGREDIENT SELECTED FROM THE GROUP CONSISTING OF (I) CELLULOSE; (II) SILICON DIOXIDE; (III) MAGNESIUM STEARATE; AND (IV) AN INGREDIENT SELECTED FROM CROSPOVIDONE, STARCH, OR LACTOSE.