Impurities in labeled diethylstilbestrol: identification of pseudodiethylstilbestrol

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Science  03 Dec 1976:
Vol. 194, Issue 4269, pp. 1059-1060
DOI: 10.1126/science.982060


Radioactive impurities known to exist in labeled diethylstilbestrol used in tissue residue studies in cattle include at least five different compounds, one of which is identified as pseudodiethylstilbestrol.