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