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