hydroxyphenobarbital

hydroxyphenobarbital

a metabolic product of phenobarbital produced in the liver; has very little anticonvulsant activity.
References in periodicals archive ?
Other substances, such as acetaminophen, ambroxol, dihydrocodeine, codeine, hydroxyphenobarbital, or hydroxyphenytoin, could also be detected in unhydrolyzed urine samples, but the peak areas were much higher after cleavage of conjugates.
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