2-Methyl-5-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 6-(difluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
2-Methyl-4-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 2-(difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylate