5-Amino-2-(difluoromethyl)pyridine-3-acetic acid
4-Amino-3-(difluoromethyl)pyridine-2-acetic acid
Ethyl 5-(chloromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
Ethyl 4-(chloromethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-acetate