Luxenburger A, Schmidt D, Ianes C, Pichlo C, Krüger M, von Drathen T, Brunstein E, Gainsford G, Baumann U, Knippschild U, Peifer C. Design, Synthesis and Biological Evaluation of Isoxazole-Based CK1 Inhibitors Modified with Chiral Pyrrolidine Scaffolds. Molecules. 2019 Mar 01;24(5):873. doi: 10.3390/molecules24050873.