Ethyl 6-hydroxy-5-(2,4,5-trichlorophenyl)picolinate
Ethyl 6-hydroxy-3-(2,4,5-trichlorophenyl)picolinate
Ethyl 6-hydroxy-5-(2,4,5-trichlorophenyl)nicotinate
Ethyl 2-hydroxy-5-(2,4,5-trichlorophenyl)nicotinate
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