Table 1.

Binding properties of Cmpd-1 to A_2A, A₁, and NR2B receptors

Receptor	pKi*	n**	Radioligand
A2A	7.95 ± 0.06	4	[3H]-ZM241385
A1	6.8	2	[3H]-DPCPX
NR2B	8.25 ± 0.17	4	[3H]-UCB9352***

^*Negative logarithm of the equilibrium dissociation constant of Cmpd-1 determined by competitive binding assay.

^**Number of parallel tests for the binding assay.

^***Proprietary compound of UCB.