2,4(1H,3H)-pyrimidinedione, 5-methoxy- 5-methoxypyrimidine-2,4(1H,3H)-dione InChI=1/C5H6N2O3/c1-10-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9