2-Amino-4-mercapto-6-(trifluoromethyl)pyridine
2-Chloro-4-cyano-3-hydroxy-6-(trifluoromethoxy)pyridine
2-Bromo-5-(difluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine
2-Iodo-6-(methylthio)-3-(trifluoromethyl)pyridine
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