Methyl 4-cyano-3-methyl-5-(trifluoromethoxy)pyridine-2-acetate
4-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-(Bromomethyl)-4-(difluoromethyl)-2-methoxypyridine-3-carboxylic acid
5-(Bromomethyl)-4-methyl-2-nitro-3-(trifluoromethoxy)pyridine