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