2-Amino-3-methoxy-4-nitro-6-(trifluoromethoxy)pyridine
4-Amino-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid
4-Amino-3-fluoro-2-methyl-6-(trifluoromethoxy)pyridine
4-Amino-2-(chloromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
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