2-Amino-3-nitro-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Amino-2-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
4-Amino-2-nitro-6-(trifluoromethoxy)pyridine-3-methanol
2-Amino-6-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
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