Methyl 4-bromo-2-chloro-5-(difluoromethyl)pyridine-3-carboxylate
Ethyl 2-amino-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-acetate
3-Bromo-5-chloro-2-(difluoromethyl)-4-fluoropyridine
Ethyl 2-amino-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-acetate