Ethyl 6-chloro-3-(2,3,5-trichlorophenyl)picolinate
Ethyl 5-chloro-6-(2,3,6-trichlorophenyl)picolinate
Ethyl 5-chloro-6-(2,3,5-trichlorophenyl)picolinate
Ethyl 5-chloro-3-(2,3,6-trichlorophenyl)picolinate
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