5-(Difluoromethyl)-4-nitro-2-(trifluoromethyl)pyridine-3-sulfonyl chloride
2-Amino-5-(2,3,5-trichlorophenyl)isonicotinaldehyde
6-Chloro-4-(difluoromethyl)-2,3-diiodopyridine
2-Hydroxy-4-nitro-6-(trifluoromethoxy)pyridine-3-carboxamide
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