6-Amino-2-bromo-4-(chloromethyl)-3-(trifluoromethoxy)pyridine
3-Amino-5-mercapto-4-(trifluoromethyl)pyridine
6-Iodo-4-nitro-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
3-(Difluoromethyl)-2-methyl-6-nitropyridine-5-sulfonamide
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