Ethyl 6-(aminomethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-carboxylate
5-(Difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
6-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-4-sulfonamide