See google there are plenty of free sites showing the structure.
__________________
There's them that knows and them that just thinks they know, whitch are you? Stir the pot and see what rises up. I have catalytic properties I get a reaction going.
Look in the Aldrich Handbook, page 514 (2000-2001 US edition), # D3,173-7, for a drawing of the structure. A 7-membered heptanone ring with a benzene ring on both sides, alpha to the ketone carbon. 5-H-dibenzo[a,d]cyclohepten-5-one. FW 206.24, mp 88-80 C