6-Nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-sulfonamide
4-(Difluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-3-methanol
Methyl 4-(difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylate
4-(Difluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-3-methanol