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