HQL-79, a potent, selective and orally active human hematopoietic prostaglandin D synthase (H-PGDS) inhibitor, highly selectively inhibits the synthesis of PGD2, and acts as an anti-allergic agent, with a Kd of 0.8 μM and an IC50 of 6 μM. Shows no obvious effect on COX-1, COX-2, m-PGES, or L-PGDS.

Boeravinone B, a novel efflux pump inhibitor, apart from inhibiting the MdeA mediated efflux, also significantly inhibit the biofilm formation of S. aureus, boeravinone B may be used in combination with mupirocin for further development.

Sodium ionophore III (ETH2120) is a Na+ ionophore suitable for the test of sodium activity in plasma, serum, and blood.