Return to Article Details reaction of (5,5-Diethyl-4,6-dioxo-tetrahydro-pyrimidin-2-ylidein)- urea and 1,3-Bis(5,5-diethyl-4,6-dioxo-tetrahydro-pyrimidin-2- ylidein)- urea with maleic and Succinic anhydride. Download Download PDF