5-Bromo-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Bromo-4-chloromethyl-5-hydroxypyridine
2,3-Dimethoxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-(Difluoromethyl)-2-methoxypyridine-5-sulfonamide
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