Hederagenin is a Highly Selective Antagonist of the Neuropeptide FF Receptor 1 that Reveals Mechanisms for Subtype Selectivity. - Lentschat, Hannah; Liessmann, Fabian; Tydings, Claiborne; Schermeng, Tina; Stichel, Jan; Urban, Nicole; Schaefer, Michael; Meiler, Jens; Beck‐Sickinger, Annette G. (Angewandte Chemie, 2025)