Spectroscopic determination of the major metabolite of phenytoin, 5-(p-hydroxyphenyl)-5-phenylhydantoin in human urine.
D006801:Humans; D010672:Phenytoin / Q000031:analogs & derivatives* / Q000378:metabolism / Q000652:urine; D013053:Spectrophotometry / Q000379:methods
C001419:hydroxyphenytoin; D010672:Phenytoin