Ethyl 2-amino-3-(aminomethyl)-6-(difluoromethyl)pyridine-4-carboxylate
Methyl 4-Chloro-6-(difluoromethoxy)picolinate
Methyl 6-(chloromethyl)-4-(difluoromethyl)-2-hydroxypyridine-3-carboxylate
4-(Chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxaldehyde