Efletirizine (EFZ) is an orally active antihistamine with high selectivity and affinity to the H1-receptor. Efletirizine can be used for allergic disease research[1].
IC 50
H1 Receptor
References
[1] Coe RA, et al. Quantitation of efletirizine in human plasma and urine using automated solid-phase extraction and column-switching high-performance liquid chromatography. J Chromatogr B Biomed Sci Appl. 1999 Jul 9;730(2):239-47. DOI:10.1016/s0378-4347(99)00223-6