5-Bromo-2-(difluoromethyl)-4-nitropyridine-3-carboxylic acid
2-(Bromomethyl)-6-hydroxy-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-(Difluoromethyl)-6-nitro-2-(trifluoromethyl)pyridine-5-sulfonyl chloride
3-(Aminomethyl)-5-chloro-6-(difluoromethyl)-2-fluoropyridine