Ethyl 3-(pyridin-3-yl)-5-(trifluoromethyl)picolinate
Ethyl 2-(pyridin-4-yl)-6-(trifluoromethyl)nicotinate
Ethyl 2-(pyridin-3-yl)-6-(trifluoromethyl)nicotinate
Ethyl 5-(pyridin-4-yl)picolinate
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