5-Cyano-3-nitro-2-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 2-methyl-5-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 4-(aminomethyl)-6-(difluoromethyl)-3-hydroxypyridine-2-acetate
6-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride