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