3-(Difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 6-(aminomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate
6-(Difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
3-(Bromomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetic acid