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