4-Hydroxyphenytoin glucuronide 5-(p-Hydroxyphenyl)-5-phenylhydantoin glucuronide 5-Phenyl-5-(4-hydroxyphenyl)hydantoin glucuronide 53819-79-7 Hpph glucuronide beta-D-Glucopyranosiduronic acid, 4-(2,5-dioxo-4-phenyl-4-imidazolidinyl)phenyl p-Hydroxyphenytoin glucuronide p-OH-Pht-glucuronide