ST-2191, an Anellated Bismorpholino Derivative of Oxy-Fingolimod, Shows Selective S1P1 Agonist and Functional Antagonist Potency In Vitro and In Vivo - Bisera Stepanovska Tanturovska; Aleksandra Zivkovic; Faik Imeri; Thomas Homann; Burkhard Kleuser; Holger Stark; Andrea Huwiler (Molecules, 2021)