Ethyl 2-(difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-5-acetate
2-(Difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-(Chloromethyl)-5-methyl-6-nitro-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride