Discovery of depsides and depsidones from lichen as potent inhibitors of microsomal prostaglandin E2 synthase-1 using pharmacophore models - Bauer, J; Waltenberger, B; Noha, S M; Schuster, D; Rollinger, J M; Boustie, J; Chollet, M; Stuppner, H; Werz, O (ChemMedChem, 2012)