The molecule is a cyclic hydroxamic acid siderophore that is produced by several bacterial species and exhibits antitumour activity. It has a role as a siderophore, a bacterial metabolite, a marine metabolite and an antineoplastic agent. It is a cyclic desferrioxamine, a macrocycle and a cyclic hydroxamic acid. It is a conjugate acid of a desferrioxamine E(3-).
1,12,23-trihydroxy-1,6,12,17,23,28-hexazacyclotritriacontane-2,5,13,16,24,27-hexone