3,6-Dimethoxy-2-nitro-4-(trifluoromethoxy)pyridine
4-Amino-2-fluoro-3-(trifluoromethoxy)pyridine-5-acetonitrile
4-Amino-6-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine
5-Amino-4-fluoro-3-(trifluoromethoxy)pyridine-2-acetonitrile
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