Ethyl 2-(difluoromethyl)-6-methoxy-4-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 2-(difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine-4-carboxylate
Methyl 3-(aminomethyl)-4-(difluoromethyl)-5-methylpyridine-2-carboxylate
Methyl 3-(aminomethyl)-4-(difluoromethyl)-2-methylpyridine-5-carboxylate