3-(Difluoromethyl)-2,5-dimethoxypyridine-6-carboxylic acid
3-(Difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridine-2-sulfonyl chloride
3-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-sulfonyl chloride
3-Bromo-5-(bromomethyl)-6-(difluoromethyl)-2-nitropyridine