2,4-Dimethyl-6-hydroxypyrimidine 2,4-Dimethyl-6-oxypyrimidine 2,6-Dimethyl-4-hydroxypyrimidine 4(1H)-Pyrimidinone, 2,6-dimethyl- 4-Hydroxy-2,6-dimethylpyrimidine 4-Pyrimidinol, 2,6-dimethyl- 6-Hydroxy-2,4-dimethylpyrimidine 6622-92-0 NSC54507