Ethyl 2-(aminomethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate
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