Ethyl 5-(3,5-dichlorophenyl)-6-fluoropicolinate
Ethyl 5-chloro-2-(3,5-dichlorophenyl)isonicotinate
Ethyl 2-(3,5-dichlorophenyl)-5-fluoroisonicotinate
Ethyl 5-chloro-6-(3,5-dichlorophenyl)picolinate
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