Methyl 2-chloro-6-(2,3-dichlorophenyl)nicotinate
Methyl 2-chloro-5-(2,3-dichlorophenyl)nicotinate
6-Chloro-2-(2,3-dichlorophenyl)nicotinic acid
Methyl 3-chloro-5-(2,3-dichlorophenyl)isonicotinate
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