Sulfur Derivatives of the Natural Polyarsenical Arsenicin A: Biologically Active, Organometallic Arsenic–Sulfur Cages Related to the Minerals Realgar and Uzonite

The theoretical contribution was supported by the Australian Research Council (ARC) and the Australian National Computational Infrastructure. M.L.C. gratefully acknowledges the award of an ARC Future Fellowship. The biological work was supported by a program grant from the Cancer Council NSW and a Faculty Research Grant from the Faculty of Medicine (University of New South Wales, Australia); S.B. gratefully acknowledges the receipt of a grant from the European Research Council.