3-Methoxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Ethyl 4-bromo-2-fluoropyridine-3-acetate
Methyl 2-cyano-4-fluoronicotinate
3-(Chloromethyl)-2-(difluoromethyl)-5-(trifluoromethyl)pyridine-4-sulfonyl chloride
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