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