2,4(1H,3H)-pyrimidinedione, 6-methyl- 6-methylpyrimidine-2,4(1H,3H)-dione InChI=1/C5H6N2O2/c1-3-2-4(8)7-5(9)6-3/h2H,1H3,(H2,6,7,8,9