4,5-Diamino-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
2-Hydroxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-Iodo-4-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Ethyl 2-bromo-3-(chloromethyl)-5-(difluoromethyl)pyridine-4-carboxylate