Ethyl 6-amino-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
6-(Difluoromethyl)-3-nitro-4-(trifluoromethyl)pyridine-2-sulfonyl chloride
2-Chloro-5-(chloromethyl)-3-(difluoromethyl)pyridine-6-methanol
2-Methoxy-3-nitro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine