Methyl 5-amino-4-(difluoromethyl)-3-methylpyridine-2-acetate
2-Amino-5-(bromomethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine
Methyl 3-amino-4-(difluoromethyl)-2-methylpyridine-5-acetate
Methyl 3-amino-4-(aminomethyl)-5-(difluoromethyl)pyridine-2-acetate