Novel triazole compounds represented by Formula (1): (where A, A.sup.1,
A.sup.2, A.sup.3, A.sup.4, A.sup.5, B, R.sup.11, W, X, Y and Z are as
defined herein) in which the triazole is substituted directly, or by a
bridge, with i) a heteroaryl moiety containing N adjacent to the point of
connection of the heteroaryl and ii) another heteroaryl or aryl ring,
with at least one of the rings being further substituted with another
ring, are mGluR5 modulators useful in the treatment of psychiatric and
mood disorders such as, for example, schizophrenia, anxiety, depression,
panic, and bipolar disorder, as well as in the treatment of pain,
Parkinson's disease, cognitive dysfunction, epilepsy, circadian rhythm
disorders, drug addiction, drug abuse, drug withdrawal, obesity and other
diseases.