2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 3-nitro-2-(pyridin-4-yl)benzoate
2-(Bromomethyl)-5-cyano-3-(difluoromethyl)pyridine-4-carboxylic acid
2-(Difluoromethyl)-3-iodo-6-nitropyridine-4-methanol
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