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