Additions and corrections

Preparation of a 3′-azido-3′-deoxythymidine (AZT) derivative, which is blood–brain barrier permeable

Jungkyun Im, Wanil Kim, Kyong-Tai Kim and Sung-Kee Chung

Chem. Commun., 2009, 4669–4671 (DOI: 10.1039/b909541a) Amendment published 25th August 2009

The following acknowledgement should have been included:

We gratefully acknowledge financial support from the National Frontier Research Program administered through KRICT/CBM and the BK21 program (MOEST).

The Royal Society of Chemistry apologises for this error and any consequent inconvenience to authors and readers.

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