Ethyl 2-amino-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate
Ethyl 3-amino-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
Ethyl 3-amino-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetate
Ethyl 3-amino-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate