Cover Feature: Unusual C2h‐Symmetric trans‐1‐(Bis‐pyrrolidine)‐tetra‐malonate Hexa‐Adducts of C60: The Unexpected Regio‐ and Stereocontrol Mediated by Malonate–Pyrrolidine Interaction (Chem. Eur. J. 63/2017) | Publicación