Ethyl 4-bromo-5-fluoronicotinate
Ethyl 4-chloro-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
4-(Chloromethyl)-2-(difluoromethyl)-3-iodopyridine-6-carboxylic acid
2-Amino-3-fluoro-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
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