In this recent publication the following deposition
footnote for the X-ray structure determinations was accidentally omitted:
Crystallographic data have been deposited with the Cambridge Crystallographic
Data Centre as supplementary publications no. CCDC-784418 (9), -784419 (anti-16), -828814 (syn-16). Copies of the data can be obtained
free of charge from www.ccdc.cam.ac.uk/data_request/cif.
