(untitled) - Lange, A; Guenther, M; Buettner, F M; Zimmermann, M O; Heidrich, J; Hennig, S; Zahn, S; Schall, C; Sievers-Engler, A; Ansideri, F; Koch, P; Laemmerhofer, M; Stehle, T; Laufer, S A; Boeckler, F M (J. Am. Chem. Soc., 2015)
; and references cited therein