| 2,4- | dihydroxy-5-methylpyrimidine |
| 4- | hydroxy-5-methylpyrimidin-2(1H)-one |
| 5- | methyl uracil |
| 5- | methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione |
| 5- | methyl-1,3-dihydropyrimidine-2,4-dione |
| 5- | methyl-1H-pyrimidine-2,4-dione |
| 5- | methyl-2,4-dihydroxypyrimidine |
| 5- | methyl-2,4(1H,3H)-pyrimidindion |
| 5- | methyl-2,4(1H,3H)-pyrimidinedione |
| 5- | methyl-uracil |
| 5- | methylpyrimidine-2,4-diol |
| 5- | methylpyrimidine-2,4-dione |
| 5- | methylpyrimidine-2,4(1H,3H)-dione |
| 5- | methyluracil |
| 2,4- | pyrimidinediol, 5-methyl- |
| 2,4(1H,3H)- | pyrimidinedione, 5-methyl- |