Ethyl 3-(2,3,5-trichlorophenyl)isonicotinate
Ethyl 2-(2,3,6-trichlorophenyl)isonicotinate
Ethyl 2-(2,3,5-trichlorophenyl)isonicotinate
Ethyl 6-methyl-2-(2,3,6-trichlorophenyl)nicotinate
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