3-Cyano-5-methoxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Chloro-4-(difluoromethyl)-2-nitropyridine-6-sulfonamide
Ethyl 3-amino-5-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
4-(Bromomethyl)-2,3-difluoro-5-(difluoromethyl)pyridine
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