Imidazopyridines are:

Imidazopyridines are:

a) Partial agonists at brain 5-TH1A receptors

b) Selective agonists of the BZ1 (omega1) subtype of BZ receptors

c) Competitive antagonists of BZ receptors

d) Nonselective agonists of both BZ1 and BZ2 receptor subtypes