5-Amino-3-(difluoromethyl)-2-fluoropyridine-4-carboxylic acid
6-Hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-3-acetic acid
2-Bromo-3-cyano-4-(difluoromethyl)pyridine
6-Bromo-3-(difluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine
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