2,4-Imidazolidinedione, 5,5-bis(4-hydroxy-3-(hydroxymethyl)phenyl)- 5,5-Bis(4-hydroxy-3-(hydroxymethyl)phenyl)-2,4-imidazolidinedione 5,5-Bis(4-hydroxy-3-hydroxymethylphenyl)hydantoin 74697-45-3