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CROSSCHECK

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RELATED DATA

: Supplementary Information

: Crystal Structure Data

COPYRIGHT AND LICENSING

: The Royal Society of Chemistry has an exclusive publication licence for this journal

OPEN ACCESS: The accepted version of this article will be made freely available after a 12 month embargo period

PUBLICATION HISTORY

: Received 13 May 2014; Accepted 7 July 2014; Accepted Manuscript published 7 July 2014; Advance Article published 23 July 2014; Version of Record published 26 August 2014