Sinensetin is a natural methylated flavonoid isolated from certain citrus fruits.

Limaprost (formerly ONO1206; OP1206; ONO-1206; OP-1206) is, an alprostadil (prostaglandin E1) analogue, is a novel and potent vasodilator that increases blood flow and inhibits platelet aggregation.

MF-63 is a novel and selective mPGES-1 inhibitor.

HPGDS inhibitor 2 (GSK2894631A) is a novel, potent, highly potent and selective hematopoietic prostaglandin D synthase (H-PGDS) inhibitor with an IC50 of 9.9 nM.

Dehydroevodiamine hydrochloride, the hydrochloride salt of dehydroevodiamine, is a naturally occurring quinazoline alkaloid isolated from the unripe fruit of Evodia rutaecarpa (Rutaceae) with a variety of biological effects such as hypotensive, negative chronotropic, ion channel depressa.

HPGDS Inhibitor I (also known as H-PGDS inhibitor 1) is a novel, orally bioavailable, potent and selective inhibitor of Hematopoietic Prostaglandin D Synthase (HPGDS) with IC50 Value of 0.7 nM.

Zomepirac sodium (Zomax) is a pyrrole-acetic acid that is structurally related to tolmetin sodium, acting as a prostaglandin synthetase inhibitor.

SAR191801 (hPGDS-IN-1) is a novel, potent and selecive hPGDS inhibitor with an IC50 of 12 nM in the Fluorescence Polarization Assay (the EIA assay).