Ethyl 3-amino-4-(aminomethyl)-5-(difluoromethyl)pyridine-2-carboxylate
3-Amino-4-(difluoromethyl)-5-methyl-2-(trifluoromethyl)pyridine
3-Amino-2-(difluoromethyl)-4-methylpyridine-6-methanol
3-Amino-6-(chloromethyl)-4-(difluoromethyl)-2-methylpyridine