2-Amino-4-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide
2-Amino-3-nitro-4-(trifluoromethoxy)pyridine-6-sulfonamide
2-Amino-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-methanol
2-Amino-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-methanol