Methyl 3-chloro-6-(2,3,6-trichlorophenyl)picolinate
Methyl 3-chloro-5-(2,3,5-trichlorophenyl)picolinate
Methyl 2-chloro-5-(2,3,5-trichlorophenyl)nicotinate
5-Chloro-6-(3,5-dichlorophenyl)nicotinaldehyde
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