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