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