4,6-Difluoro-3-(trifluoromethoxy)pyridine-2-acetic acid
4-(Chloromethyl)-2-iodo-5-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-iodo-4-(trifluoromethoxy)pyridine
2,4-Difluoro-3-(trifluoromethoxy)pyridine-5-acetic acid
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