Methyl 6-(fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-(fluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-acetate
5-(Fluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetic acid
2-(Difluoromethyl)-4-methoxy-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine