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