InChI=1S/C37H56N9O9.Fe/c1-30(47)44(53)26-12-2-7-23-40-33(48)17-19-36(51)45(54)27-13-3-8-24-41-34(49)18-20-37(52)46(55)28-14-4-9-25-42-35(50)29-43(31-15-5-10-21-38-31)32-16-6-11-22-39-32;/h5-6,10-11,15-16,21-22,53-54H,2-4,7-9,12-14,17-20,23-29H2,1H3,(H,40,48)(H,41,49)(H,42,50);/q-3;+3