1 BDJ (2z)-3-(3-chlorobenzyl)-2-imino-5,5-dimethylimidazolidin-4-one 1.000 2 BDO (2z,5r)-3-(3-chlorobenzyl)-2-imino-5-methyl-5-(2-methylpropyl)imidazolidin-4-one 0.850 3 1BN 1-benzyl-1h-imidazole 0.706