Methyl 2,3-difluoro-6-(trifluoromethoxy)pyridine-5-carboxylate
4-(Chloromethyl)-3,6-dihydroxy-2-(trifluoromethoxy)pyridine
Methyl 2,3-difluoro-5-(trifluoromethoxy)pyridine-4-carboxylate
2,4-Diamino-6-(trifluoromethoxy)pyridine-3-acetic acid
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