2-Substituted agelasine analogs : synthesis and biological activity, and structure and reactivity of synthetic intermediates Roggen, Heidi, Bohlin, Lars, Burman, Robert, Charnock, Colin, Felth, Jenny, Gorbitz, Carl Henrik, Larsson, Rolf, Tamm, Toomas, Gundersen, Lise-Lotte (2011-01-25)