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1 From the Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee
After intravenous injections in dogs of anesthetic doses of N-methylbarbital, N-methylphenobarbital, and N,N'-dimethylbarbital there have been recovered from the urine considerable amounts of the corresponding 5,5-disubstituted barbituric acids. The significance of this demethylation with regard to the duration of action of N-methylbarbituric acids has been discussed.
Submitted on July 6, 1938