3-Bromo-2-(difluoromethyl)-5-iodopyridine-6-carboxylic acid
4-Chloro-2-(difluoromethyl)-5-fluoropyridine
Methyl 2-chloro-4-hydroxynicotinate
Ethyl 2-cyano-3-nitro-6-(trifluoromethoxy)pyridine-4-acetate
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