Ethyl 4-amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-6-acetate
2-Amino-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-4-methanol
2-Amino-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-methanol
Ethyl 3-amino-5-(chloromethyl)-6-(difluoromethyl)pyridine-2-acetate