KT-474 (KYM-001) is a PROTAC degrader targeting interleukin-1 receptor-associated kinase 4 (IRAK4) with antitumor activity for the study of autoimmune, inflammatory, and cardiovascular disease disorders.

HS271 is a highly potent, orally active and selective IRAK4 inhibitor, with an IC50 of 7.2 μM. HS271 exhibits superior enzymatic and cellular activities, as well as excellent pharmacokinetic properties.

MS48107 is a potent and selective positive allosteric modulator of G protein-coupled receptor 68 (GPR68). It is selective for GPR68 over the closely related proton GPCRs, neurotransmitter transporters, and hERG ion channels. It can readily cross the blood-brain barrier (BBB) in mice.