4-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 5-(aminomethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylate
5-(Difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
5-(Difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide