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(a) Preparation of the SAM of non-symmetric dipyrimidinyl–diphenyl molecule. The reagents used were (i) sodium ethoxide, ethanol and THF, and (ii) tetrabutylammonium fluoride and THF; (b) Average curves for the single-molecule junctions of the non-symmetric dipyrimidinyl–diphenyl built from 50 individual I–V curves [9].
