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