Ethyl 4-(bromomethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylate
4-(Bromomethyl)-6-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-3-methyl-2-nitro-4-(trifluoromethoxy)pyridine
Ethyl 4-(bromomethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylate