6-Chloro-2-methoxy-4-nitro-3-(trifluoromethoxy)pyridine
2-Chloro-6-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
2-Chloro-3-methoxy-5-nitro-6-(trifluoromethoxy)pyridine
4-Chloro-6-methoxy-3-methyl-2-(trifluoromethoxy)pyridine
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