Methyl 6-amino-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-acetate
4-Amino-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetic acid
2-Bromo-4-chloro-3-(chloromethyl)-6-(difluoromethyl)pyridine
2-Bromo-3-chloro-6-(chloromethyl)-4-(difluoromethyl)pyridine