Fogel, Y., Kastler, M., Wang, Z. H., Andrienko, D., Bodwell, G. J., & Müllen, K. (2007). Electron-deficient N-heteroaromatic linkers for the elaboration of large, soluble polycyclic aromatic hydrocarbons and their use in the synthesis of some very large transition metal complexes. Journal of the American Chemical Society, 129(38), 11743-11749. doi:10.1021/ja072521t.