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