Drug Gene Type Source testolactone ESR1 Potency=5.308(uM) D1 PubChem testolactone AR Potency=13.3332(uM) D1 PubChem testolactone ESR1 Potency=21.3138(uM) D1 PubChem testolactone ESR1 Ratio Potency (uM)=23.8911(uM) D1 PubChem testolactone CYP19A1 Ki=35.0(uM) D1 PubChem testolactone CYP19A1 - D1 PubChem