Richter Martin E A, Traitcheva Nelly, Knüpfer Uwe, Hertweck Christian
Leibniz Institute for Natural Product Research and Infection Biology (HKI), Beutenbergstrasse 11a, 07745 Jena, Germany.
Angew Chem Int Ed Engl. 2008;47(46):8872-5. doi: 10.1002/anie.200803714.