AZD2423 is a potent, selective, orally bioavailable, and non-competitive CCR2 chemokine receptor negative allosteric modulator and it has an IC50 of 1.2 nM for CCR2 Ca2+ flux [1][2][3].
YM022 is a highly effective and selective gastrin/cholecystokinin (CCK)-B receptor antagonist. YM022 can inhibit gastrin-induced gastric acid secretion and histidine decarboxylase activation in vivo. YM022 shows the Ki values of 68 pM and 63 nM for CCK-B and CCK-A receptor, respectively.