5-Chloro-3-(difluoromethyl)-4-nitropyridine-2-carbonyl chloride
4-Iodo-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
5-(Difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 6-(difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate