5-Amino-4-(difluoromethyl)-2-fluoropyridine-3-sulfonamide
5-Cyano-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Bromo-6-nitro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 6-cyano-3-methoxy-4-(trifluoromethoxy)pyridine-2-acetate
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