Synonyms: Fosphenytoin [INN:BAN];Fosphenytoin;(3-Phosphoryloxymethyl)phenytoin;Fosfenitoina;Fosfenitoina [INN-Spanish];Fosphenytoine;Fosphenytoine [INN-French];Fosphenytoinum;Fosphenytoinum [INN-Latin];HSDB 7523;UNII-B4SF212641;2,4-Imidazolidinedione, 5,5-diphenyl-3-((phosphonooxy)methyl)-;2,4-Imidazolidinedione, 5,5-diphenyl-3-((phosphonooxy)methyl)-, (SP-4-2)-;(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl dihydrogen phosphate