3-Bromo-2-cyano-5-(trifluoromethoxy)pyridine-6-acetic acid
4-Bromo-3-chloro-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-Bromo-2-cyano-4-(trifluoromethoxy)pyridine-5-acetic acid
4-Bromo-6-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
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