Ethyl 3-amino-4-(difluoromethyl)-5-fluoropyridine-2-carboxylate
6-(Chloromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Difluoromethyl)-2-iodo-6-methoxypyridine-5-sulfonyl chloride
4-(Chloromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-2-acetic acid