1,3(2H,4H)-Pyrimidinediacetic acid, dihydro-5,5-diethyl-2,4,6-trioxo- 1,3-Bis(carboxymethyl)barbital 5-24-09-00151 (Beilstein Handbook Reference) 61571-10-6 BRN 0763674 Dihydro-5,5-diethyl-2,4,6-trioxo-1,3(2H,4H)-pyrimidinediacetic acid