3-Cyano-2-(difluoromethyl)-4-methoxy-5-nitropyridine
5-Amino-4-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
Methyl 4-(difluoromethyl)-2-methyl-3-nitropyridine-5-acetate
5-Amino-3-(difluoromethyl)-4-methylpyridine-2-acetic acid
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