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