2-(Difluoromethyl)-3-fluoro-6-nitro-5-(trifluoromethoxy)pyridine
4-Cyano-3-fluoro-5-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Fluoro-6-(fluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine
2-Fluoro-6-iodo-5-methoxy-3-(trifluoromethoxy)pyridine
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