Ethyl 4-(aminomethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-3-acetate
3-(Difluoromethyl)-2-fluoro-4-nitropyridine-5-sulfonamide
4-(Chloromethyl)-3-(difluoromethyl)-2-iodo-6-nitropyridine
2-(Aminomethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine