Ethyl 2-methyl-3-(2,3,5-trichlorophenyl)isonicotinate
Ethyl 6-methoxy-5-(2,3,6-trichlorophenyl)picolinate
Ethyl 6-methoxy-5-(2,3,5-trichlorophenyl)picolinate
Ethyl 6-methoxy-3-(2,3,6-trichlorophenyl)picolinate
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