in a separate series of experiments adrenal cells were stimulated with ( a ) the cortisol precursor steroids ( all at 10 ( -5 ) mol/l ) pregnenolone , 17-hydroxypregnenolone , progesterone , 17-hydroxyprogesterone and 11-deoxycortisol , ( b ) dibutyryl camp ( 10 ( -3 ) mol/l ) or ( c ) acth ( 100 ng/l ) in the presence and absence of either etomidate ( 5 x 10 ( -5 ) mol/l ) , propofol ( 2.5 x 10 ( -4 ) mol/l ) or thiopentone ( 5 x 10 ( -4 ) mol/l ) .
C0373704
pregnenolone
C0376260
17-hydroxypregnenolone