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Figure 2 The correlation between the interplanar angles of the side rings in the anthryl fragments retrieved from the Cambridge Crystallographic Database (Allen, 2002; version CSD 5.31 with the last upgrade from Sept. 1 2010) and the length of the bond by which the anthryl is attached to the rest of the molecule. (Cattached and Canthryl correspond to C15 and C6 atoms of the title molecule, respectively.) The title compound is indicated by a red large circle while the rest of the compounds by small black squares. |