6-Amino-2-(difluoromethyl)-3-methylpyridine-4-acetic acid
Methyl 4-amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-5-acetate
2-Amino-6-(difluoromethyl)-4-methylpyridine-3-acetic acid
Methyl 5-amino-3-(aminomethyl)-4-(difluoromethyl)pyridine-2-acetate