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