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