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5-N-morpholino-6-azauracil

5-Nitrothiophene-2-carboxylicmethylester

5-Nitrothiophene-2-carbonitrile

5-Nitroso-8-hydroxyquinoline

5-Nitroso-2,4,6-trihydroxypyrimidine

5-Nitroquinoxaline

5-Nitro-pyridine-2-sulfonyl chloride

5-Nitropyridine-2-sulfonic acid

5-Nitro-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester