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