2-Substituted agelasine analogs : Synthesis and biological activity, and structure and reactivity of synthetic intermediatesRoggen, Heidi; Bohlin, Lars; Burman, Robert; Charnock, Colin; Felth, Jenny; Görbitz, Carl Henrik; Larsson, Rolf; Tamm, Toomas; Gundersen, Lise-LottePure and applied chemistry2011 / p. 645-653