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2-(Aminomethyl)-5-hydroxy-4h-pyran-4-one

Methyl 2-chloroacetyl(ethyl)carbamate

5-(Phenylsulfinyl)-2-pyridinamine

5-[(4-Chlorophenyl)thio]-2-pyridinamine

5-(4-Nitrophenoxy)-2-pyridinecarboxylic acid

3-(Phenylthio)-2-pyridinamine

4-(Phenylthio)-2-pyridinamine

Methyl 6-(phenylsulfinyl)h-imidazo[1,2-a]pyridin-2-ylcarbamate

5-[(3-Methoxyphenyl)thio]-2-pyridinamine

5-[(4-Methoxyphenyl)thio]-2-pyridinamine