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. 2018 Aug 2;7(8):583–589. doi: 10.1002/open.201800089

Scheme 3.

Scheme 3

Schiff‐base motors considered in this work shown in their E out isomeric forms and definitions of the dihedral angles for these motors. Motors 1 ad are reference systems from which motor candidates 2 ad, 3 ad, and 4 ad are obtained by extending the π conjugation, as indicated in red font.