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38 Crystallographic data for 6d have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication number CCDC 678909 (Authors: J. E. Davies, M. D. Hopkin, S. V. Ley). Copies of the data may be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge, CB2 1EZ, UK (fax: +44 1223 33603 or
e-mail: deposit@ccdc.cam.ac.uk).
39 Crystallographic data for 10da have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication number CCDC 678908 (Authors: J. E. Davies, M. D. Hopkin, S. V. Ley). Copies of the data may be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge, CB2 1EZ, UK (fax: +44 1223 33603 or
e-mail: deposit@ccdc.cam.ac.uk).