3-Chloro-2-fluoro-6-nitro-5-(trifluoromethoxy)pyridine
3-Chloro-5-(difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine
6-Chloro-2-fluoro-3-nitro-4-(trifluoromethoxy)pyridine
2-Chloro-4-(difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine
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