6-(Fluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Chloromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Fluoromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(Chloromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid