3-Chloro-5-methoxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-Amino-5-(chloromethyl)-3-(difluoromethyl)pyridine-2-methanol
Ethyl 2-cyano-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
2-Chloro-3-(difluoromethyl)-6-hydroxypyridine-4-sulfonyl chloride