3-Chloro-5-methoxy-2-nitro-6-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-methyl-4-nitropyridine-2-sulfonyl chloride
2-Amino-4-chloro-6-(difluoromethyl)pyridine-3-carboxaldehyde
4-(Difluoromethyl)-3-hydroxy-5-nitropyridine-2-sulfonamide
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