The present invention relates to compounds of the formula:
##STR1##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7,
R.sup.8, A, X and Y 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 or alleviation of inflammation
and other inflammation associated disorders, such as arthritis, colon
cancer, and Alzheimer's disease in mammals, preferably humans, dogs, cats
and livestock animals.
