diphenylmethyl 3-pyridyl ketone ( 5 ) , benzyl 3-pyridyl ketone ( 10 ) , 2- ( 3-pyridyl ) acetophenone ( 12 ) , 2-phenyl-1- ( 3-pyridyl ) -1-propanone ( 11 ) , alpha , beta-di-3-pyridylphenethyl alcohol ( 15 ) , and 1,2-di-3-pyridylethanol ( 27 ) had less than 25 % the activity of metyrapone .
C0022634
ketone
C0001006
acetophenone