5-Amino-2-iodo-3-(trifluoromethoxy)pyridine-4-acetic acid
6-Amino-3-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
6-Amino-3-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Amino-3-iodo-2-(trifluoromethoxy)pyridine-5-acetic acid