Ethyl 6-amino-5-(2,3-dichlorophenyl)picolinate
Ethyl 5-chloro-6-(2,3-dichlorophenyl)picolinate
Ethyl 3-chloro-2-(2,3-dichlorophenyl)isonicotinate
Ethyl 2,5-bis(2,3-dichlorophenyl)isonicotinate
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