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