4-Bromo-3-methyl-2-(trifluoromethoxy)pyridine-5-sulfonamide
5-Bromo-2-(chloromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
2-Bromo-3-(fluoromethyl)-4-methyl-6-(trifluoromethoxy)pyridine
3-Bromo-6-(chloromethyl)-2-methyl-5-(trifluoromethoxy)pyridine
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