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