Methyl 5-(aminomethyl)-3-(difluoromethyl)-2-fluoropyridine-4-carboxylate
Methyl 3-(aminomethyl)-5-(difluoromethyl)-4-fluoropyridine-2-carboxylate
5-(Difluoromethyl)-4-fluoro-3-methylpyridine-2-sulfonamide
4-(Aminomethyl)-6-(difluoromethyl)-2-fluoro-3-nitropyridine