Abstract: The present invention is directed to compounds of formula (I): wherein R represents a methyl or an ethyl group X represents N, C—H or C—CH3 when X represents C—H or C—CH3, Y represents N when X represents N, Y represents C—H and physiologically functional derivatives thereof, pharmaceutical compositions comprising the compounds, the use of the compounds for the manufacture of medicaments particularly for the treatment of inflammatory and/or allergic conditions, processes for the preparation of the compounds, and chemical intermediates in the processes for the manufacture of the compounds.

Abstract: The invention provides the compounds of formula (I) or a pharmaceutically acceptable salt thereof. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of the pain, fever and inflammation of a variety of conditions and diseases.

Abstract: The invention provides the compounds of formula (I) or a pharmaceutically acceptable salt thereof. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of the pain, fever and inflammation of a variety of conditions and diseases.