4-(Difluoromethyl)-2,3-dihydroxypyridine-5-carbonyl chloride
2-Methyl-3-nitro-4-(trifluoromethoxy)pyridine-6-sulfonamide
Ethyl 4-chloro-3-(difluoromethyl)-2-iodopyridine-5-acetate
3-Amino-2-cyano-6-nitro-5-(trifluoromethoxy)pyridine
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