2-Amino-4-(difluoromethyl)-3-methoxy-5-(trifluoromethyl)pyridine
3-Amino-2-(difluoromethyl)-5-methoxy-4-(trifluoromethyl)pyridine
3-Amino-6-(chloromethyl)-2-(difluoromethyl)-5-methoxypyridine
6-Amino-2-(difluoromethyl)-3-methoxy-4-(trifluoromethyl)pyridine