5-Amino-2-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid
5-Amino-3-(chloromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
4-Amino-3-nitro-6-(trifluoromethoxy)pyridine-2-acetic acid
2-Bromo-3-chloro-4-methoxy-5-(trifluoromethoxy)pyridine
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