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3'-ketobutobarbitone

Known as: 5-ethyl-5-(3-oxobutyl)-2,4,6(1H,3H,5H)-pyrimidinetrione 
National Institutes of Health

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1974
1974
After single 200 mg oral doses of butobarbitone (I) in man, 5·4% was excreted in urine unchanged and 28·2% as the 3î‐hydroxy…