The present invention relates to compounds of the formula
##STR1##
wherein R1, R3, R5, R6, and A
are defined as in the specification, to pharmaceutical compositions containing
them and to their medicinal use. The compounds of the invention are useful in the
treatment of inflammation and other inflammation associated disorders, such as
osteoarthritis, rheumatoid arthritis, colon cancer and Alzheimer's disease, in
mammals (preferably humans, dogs, cats and livestock).
