Mary-Kate Olsen and Ashley Olsen are fashion designers in New York.
Hydantoin , or glycolylurea , is a heterocyclic organic compound with the formula CH2C -LRB- O -RRB- NHC -LRB- O -RRB- NH .. heterocyclic. heterocyclic. organic compound. organic compound. It is a colorless solid that arises from the reaction of glycolic acid and urea .. glycolic acid. glycolic acid. urea. urea. It is an oxidized derivative of imidazolidine .. imidazolidine. imidazolidine. In a more general sense , hydantoins can refer to a groups and a class of compounds with the same ring structure as the parent .. groups. Functional group. For example , phenytoin -LRB- mentioned below -RRB- has two phenyl groups substituted onto the number 5 carbon in a hydantoin molecule .. groups. Functional group. phenytoin. phenytoin. phenyl. phenyl