2-Chloro-4-nitro-3-(trifluoromethoxy)pyridine-5-acetic acid
3-Amino-6-bromo-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Bromomethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetic acid
2-(Aminomethyl)-5-(difluoromethyl)-3-fluoro-4-hydroxypyridine