the 75se-labeled 4-substituted-1,2,3-selenadiazole analogs of two drugs that inhibit the adrenocorticosteroid 11 beta- and 17 alpha-hydroxylase enzymes were prepared by the [ 75se ] selenious acid oxidation of the appropriate methyl ketone semicarbazones .
C0038302
17 alpha-hydroxylase
C0030011
oxidation