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