malonate + urea + H(+) => 3-oxo-3-ureidopropanoate + H2O
malonate + urea + h(+) => 3-oxo-3-ureidopropanoate + h2o
malonate + urea + H(+) => 3-oxo-3-ureidopropanoate + H2O
malonate + urea + h(+) => 3-oxo-3-ureidopropanoate + h2o