CBG binding activity data: first column: pK (log 1/K); second column: activity class; third column: compound name; activity classes: 1: high; 2: intermediate; 3: low; Ref.: J.Med.Chem. 36(1993)433-438; -6.279 2 aldosterone -5.000 3 androstanediol -5.000 3 5-androstenediol -5.763 3 4-androstenedione -5.613 3 androsterone -7.881 1 corticosterone -7.881 1 cortisol -6.892 2 cortisone -5.000 3 dehydroepiandrosterone -7.653 1 11-deoxycorticosterone -7.881 1 11-deoxycortisol -5.919 2 dihydrotestosterone -5.000 3 estradiol -5.000 3 estriol -5.000 3 estrone -5.225 3 etiocholanolone -5.225 3 pregnenolone -5.000 3 17a-hydroxypregnenolone -7.380 1 progesterone -7.740 1 17a-hydroxyprogesterone -6.724 2 testosterone -7.512 1 prednisolone -7.553 1 cortisolacetat -6.779 2 4-pregnene-3,11,20-trione -7.200 1 epicorticosterone -6.144 2 19-nortestosterone -6.247 2 16a,17a-dihydroxyprogesterone -7.120 1 16a-methylprogesterone -6.817 2 19-norprogesterone -7.688 1 2a-methylcortisol -5.797 2 2a-methyl-9a-fluoro-cortisol