among a series of nineteen hydantoins and related compounds only 5,5-diphenylhydantoin ( phenytoin ) , its major metabolite 5- ( p-hydroxyphenyl ) -5-phenylhydantoin , 5,5-diphenyl-2-thiohydantoin and n- ( 5-nitro-2-furfurylidene ) -1-aminohydantoin ( nitro-furantoin ) elicited marked pln reactions in c57bl/6j mice .
C0020209
hydantoins
C0031507
phenytoin