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2-Mercapto-6-propylpyrimidin-4-ol

L-2-Mercapto-4-hydroxy-5-fluoropyrimidine

1-(2-Hydroxyethyl)pyrimidine-2,4(1H,3H)-dione

1-Methyl-2,4(1H,3H)-pyrimidinedione

2,4,6-Triamino-5-nitropyrimidine

6-Hydroxynicotinic acid ethyl ester

6-Hydroxynicotinohydrazide

6-Hydroxynicotinic acid methyl ester

4-Amino-5-nitro-2-pyridinol

2,4,5-Triaminopyridine

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