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. Author manuscript; available in PMC: 2011 Apr 3.
Published in final edited form as: Tetrahedron. 2010 Apr 3;66(14):2582–2588. doi: 10.1016/j.tet.2010.01.093

Figure 4.

Figure 4

Mesomeric structures of a TICT probe. Upon photoexcitation, the ground-state structure (A) is converted to a dipolar quinoid structure (B).