4-amino-5-hydroxymethyl-2-methylpyrimidine2-methyl-4-amino-5-hydroxymethylpyrimidine4-Amino-2-methyl-5-pyrimidinemethanol4-Amino-5-hydroxymethyl-2-methylpyrimidine4-amino-2-methyl-5-hydroxymethylpyrimidine4-amino-2-methyl-5-pyrimidinemethanol4-amino-5-hydroxymethyl-2-methylpyrimidineAtoxopyrimidinePyraminPyramineToxopyrimidine