3-Amino-5-(difluoromethyl)pyridine-2-sulfonyl chloride
2,6-Diamino-4-(difluoromethyl)-3-nitropyridine
2-Bromo-4-(chloromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
3,6-Difluoro-2-methyl-5-(trifluoromethoxy)pyridine
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