2,4-Imidazolidinedione, 3-(2-chlorophenyl)-5,5-dimethyl- 3-(o-Chlorophenyl)-5,5-dimethylhydantoin 5-24-05-00356 (Beilstein Handbook Reference) 51027-22-6 BRN 0883721 HYDANTOIN, 3-(o-CHLOROPHENYL)-5,5-DIMETHYL-