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