@article{article, title = {{Hollow six-stranded helical columns of a helicene.}}, url = {{}}, year = {{2009}}, month = {{1}}, author = {{Shcherbina MA and Zeng X-B and Tadjiev T and Ungar G and Eichhorn SH and Phillips KES and Katz TJ}}, doi = {{10.1002/anie.200903658}}, volume = {{48}}, journal = {{Angew Chem Int Ed Engl}}, issue = {{42}}, pages = {{7837-7840}}, note = {{Accessed on 2025/05/19}}}