Methyl 5-chloro-2-(2,3-difluorophenyl)nicotinate
Methyl 5,6-bis(2,3-difluorophenyl)picolinate
Methyl 2-chloro-5-(2,3-difluorophenyl)nicotinate
Methyl 3-chloro-5-(2,3-difluorophenyl)isonicotinate
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