Ethyl 4-methoxy-5-(trifluoromethyl)nicotinate
2-Bromo-3-iodopyridine-6-sulfonyl chloride
4-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-sulfonyl chloride
Ethyl 3-bromo-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
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