Fused heterocyclic compounds are disclosed that have formula 1:
##STR00001## where A, B, L, N, R.sup.1, R.sup.3, R.sup.4', Y and Z are
as defined herein. The compounds and pharmaceutical compositions thereof
are useful for the prevention and treatment of a variety of conditions in
mammals including humans, including by way of non-limiting example, pain,
inflammation, cognitive disorders, anxiety, depression, and others.