3-Fenylo-5-(beta-naftalo)-2-tiohydantoine [Polish] 4-IMIDAZOLIDINONE, 5-(2-NAPHTHALENYLMETHYLENE)-3-PHENYL-2-THIOXO- 5-(2-Naphthalenylmethylene)-3-phenyl-2-thioxo-4-imidazolidinone 5-24-08-00367 (Beilstein Handbook Reference) 61442-35-1 BRN 0679076