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