5-Amino-2-bromo-3-(trifluoromethoxy)pyridine-6-sulfonamide
Methyl 2-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxylate
6-Amino-3-cyano-4-(difluoromethyl)pyridine-2-carbonyl chloride
3-Amino-2-(difluoromethyl)-4-methoxypyridine-5-acetic acid
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