1-[2-(3-Phenylureido)ethyl]imidazolidine-2-one

1-[2-(2-Oxo-1-imidazolidinyl)ethyl]-3-phenylurea

N-(2-(2-Oxo-1-imidazolindinyl)ethyl)-N-phenylurea

N-[2-(2-Oxoimidazolidin-1-yl)ethyl]-N'-phenylurea

Urea, N-(2-(2-oxo-1-imidazolidinyl)ethyl)-N'-phenyl-