Ethyl 2-chloro-5-(2,4,5-trichlorophenyl)isonicotinate
Ethyl 2-chloro-3-(2,4,5-trichlorophenyl)isonicotinate
Ethyl 3-chloro-6-fluoro-2-pyridinecarboxylate
Ethyl 3-chloro-5-fluoro-4-pyridinecarboxylate
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