Synonyms: 5-(3,4-Dihydroxyphenyl)-5-(4-hydroxyphenyl)hydantoin;5-(3,4-Dihydroxyphenyl)-5-(4-hydroxyphenyl)-2,4-imidazolidinedione;2,4-Imidazolidinedione, 5-(3,4-dihydroxyphenyl)-5-(4-hydroxyphenyl)-;AC1MIDWK;LS-79161;5-(3,4-dihydroxyphenyl)-5-(4-hydroxyphenyl)imidazolidine-2,4-dione;60348-76-7