Methyl 2-chloro-6-(2,4-dichlorophenyl)nicotinate
Methyl 2-chloro-5-(2,4-dichlorophenyl)nicotinate
Methyl 3-chloro-5-(2,4-dichlorophenyl)isonicotinate
Methyl 2-chloro-3-(2,4-dichlorophenyl)isonicotinate
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