Methyl 4-(difluoromethyl)-6-nitro-3-(trifluoromethoxy)pyridine-2-acetate
4-(Aminomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-(Bromomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetic acid
Methyl 5-(difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine-2-acetate