2-(Difluoromethyl)-3-methoxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-Methyl-3-nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-(Difluoromethyl)-2-methoxy-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-Methyl-6-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride