Ethyl 3-chloro-2-(3,4-dichlorophenyl)isonicotinate
Ethyl 3,6-bis(3,4-dichlorophenyl)picolinate
Ethyl 3,5-bis(3,4-dichlorophenyl)isonicotinate
Ethyl 3,5-bis(3,4-dichlorophenyl)picolinate
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