4-Imidazolidinone, 5-((4-chlorophenyl)methylene)-3-(4-ethoxyphenyl)-2-thioxo- 5-((4-Chlorophenyl)methylene)-3-(4-ethoxyphenyl)-2-thioxo-4-imidazolidinone 5-24-08-00161 (Beilstein Handbook Reference) 62468-60-4 BRN 0839694