preferred_name: a D-5-monosubstituted hydantoin = a L-5-monosubstituted hydantoin
preferred_name_lc: a d-5-monosubstituted hydantoin = a l-5-monosubstituted hydantoin
label: "5'-monosubstituted-hydantoin racemase"
label_lc: "5'-monosubstituted-hydantoin racemase"