2-Amino-3-(bromomethyl)-4-(difluoromethyl)-5-methoxypyridine
2-Amino-3-(difluoromethyl)-6-methyl-5-(trifluoromethyl)pyridine
6-Amino-3-(difluoromethyl)-4-methoxy-2-(trifluoromethyl)pyridine
2-Amino-3-(aminomethyl)-4-(difluoromethyl)pyridine-5-acetic acid