Ethyl 4-(difluoromethyl)-5-methyl-3-nitropyridine-2-carboxylate
4-Amino-2-bromomethyl-6-chloropyridine
Ethyl 3-(difluoromethyl)-5-methyl-2-nitropyridine-4-carboxylate
2-Amino-5-bromomethyl-3-(trifluoromethyl)pyridine
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