Oxime derivatives and their preparation

An object of the present invention is the provision of compounds useful as glucokinase activators, the compounds of the formula [I]: [In the formula, Ring A is aryl or heteroaryl. Q is cycloalkyl, heterocyclic group, alkyl or alkenyl. Ring T is heteroaryl or a heterocyclic group. R R R ] In an oxime derivative or a pharmaceutically acceptable salt thereof represented.