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