Ethyl 5-amino-2-(2,4,6-trichlorophenyl)nicotinate
Ethyl 5-amino-2-(2,3,4-trichlorophenyl)nicotinate
Ethyl 2-amino-5-(3,4,5-trichlorophenyl)nicotinate
Ethyl 2-amino-5-(2,4,6-trichlorophenyl)nicotinate
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