The Graph of the Conference
represents cyclohexaindane, one of the very few
known organic molecules that are non-planar in the graph theoretical
sense. Cyclohexaindane, which contains a K5,
was synthetized by Dietmar Kuck and Andreas Schuster
in 1988.
D. Kuck & A. Schuster, Angew. Chem. 100: 1222-1224 (1988)