3-(Chloromethyl)-4-(difluoromethyl)-2-hydroxypyridine-6-carboxaldehyde
Methyl 6-(chloromethyl)-3-(difluoromethyl)-4-hydroxypyridine-2-carboxylate
Ethyl 3-(aminomethyl)-2-(difluoromethyl)-6-hydroxypyridine-4-carboxylate
Ethyl 2-(aminomethyl)-3-(difluoromethyl)-6-hydroxypyridine-4-carboxylate