3-(Bromomethyl)-2-chloro-4-nitro-6-(trifluoromethoxy)pyridine
6-(Bromomethyl)-2-chloro-3-nitro-4-(trifluoromethoxy)pyridine
3-(Bromomethyl)-6-chloro-2-methyl-4-(trifluoromethoxy)pyridine
3-(Bromomethyl)-5-chloro-4-methyl-2-(trifluoromethoxy)pyridine
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