2,5-Dihydroxy-3-(trifluoromethoxy)pyridine-4-acetic acid
5-Amino-4-chloro-3-methyl-2-(trifluoromethoxy)pyridine
4,6-Dihydroxy-3-(trifluoromethoxy)pyridine-2-acetic acid
2,6-Dimethyl-4-iodo-3-(trifluoromethoxy)pyridine
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