The invention relates to the use of a compound of Formula (I) or a salt, solvate or prodrug thereof, wherein R.sup.1, R.sup.2, R.sup.3, n and m are as described in the specification, in the preparation of a medicament for the treatment or prevention of a disease condition mediated through glucokinase (GLK), such as type 2 diabetes. ##STR00001## The invention also relates to a novel group of compounds of Formula (I) and to methods for preparing compounds of Formula (I).