IC50: 0.45 μM (ABCG2/BCRP), 2.17 μM (ABCB1)[1]
Efflux inhibitor-1 (compound 2) is a pyrazolo[1,5-a]pyrimidine efflux inhibitor. Efflux inhibitor-1 selectively targets toward ABCG2/BCRP over ABCB1 with IC50s of 0.45 μM and 2.17 μM, respectively[1].
[1]. Larson, et al. Selective efflux inhibitors and related pharmaceutical compositions and methods of treatment: United States, US9056111[P]. 2015-06-16.
















