1 5ND 5-(2-naphthylmethyl)-D-hydantoin 1.000 2 5NL 5-(2-naphthylmethyl)-L-hydantoin 1.000 3 R7W (5~{z})-5-(quinolin-6-ylmethylidene)-1,3-thiazolidine-2,4-dione 0.800 4 5FH (5s)-5-benzylimidazolidine-2,4-dione 0.778 5 I5H (5s)-5-(1h-indol-3-ylmethyl)imidazolidine-2,4-dione 0.750 6 B5H (5z)-5-[(3-bromophenyl)methylidene]imidazolidine-2,4-dione 0.737 7 RWM (5s)-5-methyl-5-[(3-phenyl-1,2-oxazol-5-yl)methyl]pyrrolidine-2,4-dione 0.727