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