Ethyl 6-amino-4-chloro-3-(difluoromethyl)pyridine-2-carboxylate
3-Amino-6-chloro-4-(difluoromethyl)-2-(trifluoromethyl)pyridine
Ethyl 2-amino-4-chloro-3-(difluoromethyl)pyridine-5-carboxylate
5-Amino-2-chloro-3-(difluoromethyl)-4-(trifluoromethyl)pyridine