Wieland, Theodor Max Planck Institute for Medical Research, Max Planck Society;
Birr, Christian Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/jlac.19727590105/epdf (Any fulltext)
https://doi.org/10.1002/jlac.19727590105 (Any fulltext)
Wieland, T., Penke, B., & Birr, C. (1972). Über Antamanid, XVI. all-D-retro-Antamanid und D-Tyr6-all-D-retro-antamanid. Liebigs Annalen der Chemie, 759(1), 71-75. doi:10.1002/jlac.19727590105.