2-Chloro-5-(difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine
5-Chloro-2-nitro-4-(trifluoromethoxy)pyridine-3-acetic acid
6-Chloro-4-(difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine
4-Chloro-3-nitro-5-(trifluoromethoxy)pyridine-2-acetic acid
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