Ethyl 4-amino-3-methyl-2-(trifluoromethoxy)pyridine-5-carboxylate
3-Amino-2-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine
Ethyl 5-amino-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
6-Amino-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
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