3-Acetyl-1-((4-amino-2-methyl-5-pyrimidinyl)methyl)pyridinium bromide hydrobromide Pyridinium, 3-acetyl-1-((4-amino-2-methyl-5-pyrimidinyl)methyl)-, bromide, hydrobromide Toxopyrimidinyl acetylpyridine Toxopyrimidyl acetylpyridine UU1452000