3-(Difluoromethyl)-5-methoxy-2-nitropyridine-4-sulfonyl chloride
2-Nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetic acid
2-Chloro-6-cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
6-Amino-3-(difluoromethyl)-4-fluoro-2-methoxypyridine