Methyl 6-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
3,6-Dibromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
Methyl 2-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
2,4-Dibromo-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine
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