Methyl 5-(chloromethyl)-2-(difluoromethyl)-3-methoxypyridine-6-carboxylate
4-(Fluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine
3-Iodo-6-(trifluoromethoxy)pyridine-2-acetic acid
Methyl 4-(chloromethyl)-3-(difluoromethyl)-6-methoxypyridine-2-carboxylate