Concentration-response curves of the 9 compounds with partial quenching effect and CPE activity. (a) Anacardic Acid, CPE efficacy = 89.62%. (b) Adomeglivant, CPE efficacy = 49.2%. (c) Eltrombopag olamine, efficacy = 74.39%. (d) GSK-3965, efficacy = 22.51. (e) GW574, CPE efficacy = 63.3%. (f) Hexachlorophene, CPE efficacy = 47.57%. (g) MK-886, CPE efficacy = 69.18%. (h) AMG-837, CPE efficacy = 106.31%. (i) MG-149, CPE efficacy = 70%.