Methyl 2-(difluoromethyl)-6-hydroxy-5-nitropyridine-3-carboxylate
Methyl 5-cyano-4-(trifluoromethyl)pyridine-2-acetate
6-Amino-3-(fluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-2-fluoro-5-methoxy-4-nitropyridine
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