ML-161 is an inhibitor of protease-activated receptor 1 (PAR1)-mediated platelet activation (IC50 = 0.26 μM for the inhibition of platelet P-selectin expression on human platelets).
GB110 is a Novel potent non-peptide PAR2 agonist. GB-110 selectively induces PAR2-mediated intracellular Ca2+ release in HT29 cells with an EC50 of 0.28 μM.
UDM-001651 is a potent , selective and orally active Protease-Activated Receptor 4 (PAR4) Antagonist with in Vivo Antithrombotic Efficacy (IC50 = 2.4 nM).
AC-55541 is a highly selective protease-activated receptor 2 (PAR2) agonist (pEC50=6.7), displays no activity at other PAR subtypes or at over 30 other receptors involved in nociception and inflammation.