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