2,3-Dichloro-4-(difluoromethyl)pyridine-6-sulfonyl chloride
3-Amino-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol
6-(Chloromethyl)-4-(difluoromethyl)-3-methoxypyridine-2-methanol
4-(Aminomethyl)-6-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine