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