Ethyl 5-amino-4-(difluoromethyl)-2-fluoropyridine-3-acetate
4-Cyano-2-iodo-6-nitro-3-(trifluoromethoxy)pyridine
5-(Aminomethyl)-3-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridine-3-carbonyl chloride