| abstract |
The cortisol compound of the formula (E) <IMAGE> (E) wherein R represents a hydroxy group, a tyrosine lower alkyl ester residue, a tyramine residue, a histamine residue, a 7-aminoheptanoyl-tyrosine lower alkyl ester residue, a radioiodinated tyrosine lower alkyl ester residue, a radioiodinated tyramine residue, a radioiodinated histamine residue, a radioiodinated 7-aminoheptanoyltyrosine lower alkyl ester residue, a protein or a polypeptide; and a radioimmunoassay method using cortisol derivative. |