Ethyl 2-methoxy-5-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
3-(Difluoromethyl)-4-methoxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Methoxy-2-nitro-4-(trifluoromethoxy)pyridine-5-methanol
5-(Fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid