3524-87-6 4(1H)-Pyrimidinone, 6-methyl- 4-Hydroxy-6-methylpyrimidine 4-Pyrimidinol, 6-methyl- 6-Methyl-4(3H)-pyrimidinone 6-Methyl-4-oxopyrimidine 6-Methyl-4-pyrimidinol NSC18893