Methyl 6-(aminomethyl)-4-(difluoromethyl)-3-methylpyridine-2-carboxylate
2-(Difluoromethyl)-5-methyl-3-nitropyridine-4-acetic acid
Methyl 2-(aminomethyl)-4-(difluoromethyl)-3-methylpyridine-6-carboxylate
2-(Difluoromethyl)-4-methyl-6-nitropyridine-3-acetic acid