5-(Difluoromethyl)-3-hydroxy-2-nitropyridine-4-acetic acid
Methyl 2,3-difluoro-4-(difluoromethyl)pyridine-5-acetate
3-(Difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine-5-sulfonyl chloride
3-Fluoro-2-hydroxy-4-nitro-6-(trifluoromethoxy)pyridine
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