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