Table 5

Affinities of CCK₁ receptor agonists in brain and pancreas membranes

Agonist	K_i		Selectivity CCK₂/CCK₁	Reference
Agonist	CCK₁	CCK₂	Selectivity CCK₂/CCK₁	Reference
	nM
A-71378	0.5^5-a	570^5-a	1140	Holladay et al. (1992)
A-71623	3.7^5-a	4500^5-a	1200	Lin et al. (1991)
A-70874	4.2^5-a	710^5-a	170	Lin et al. (1991)
ARL-15849	0.03	224	6590	Pierson et al. (1997)
GW-5823	22.9^5-a	1000^5-a	50	Henke et al. (1997)