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
2-Bromomethyl-3-iodo-4-(trifluoromethyl)pyridine
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