Ethyl 6-(2,3-difluorophenyl)-5-fluoronicotinate
Ethyl 5-(2,3-difluorophenyl)-2-fluoronicotinate
Ethyl 6-chloro-3-(3-(trifluoromethoxy)phenyl)picolinate
Ethyl 6-chloro-2-(2-(trifluoromethoxy)phenyl)nicotinate
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