4-(Difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
6-Amino-2-(difluoromethyl)-4-fluoro-3-methylpyridine
Methyl 3-(chloromethyl)-4-(difluoromethyl)-2-iodopyridine-5-carboxylate
2-(Fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-methanol