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1 Research Division, Chas. Pfizer and Co., Inc., Brooklyn, New York
2 Research Divisiob, Chas. Pfizer and Co., Inc., Brooklyn, New York
A general survey of the central effects of a series of intravenously administered C-21 steroids has been carried out in the mouse. A high degree of depressant activity was found to be characteristic of nuclear-saturated 3,20 and 3,20,21 oxygenated steroids and their water-soluble esters.
Additional nuclear substitution typically reduced or abolished the depressant activity, usually with substitution of central stimulant effects.
Submitted on August 23, 1956
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