InChI=1S/C33H34N4O4.Fe/c1-7-21-18(4)26-13-28-20(6)23(9-11-33(40)41)31(37-28)15-30-22(8-10-32(38)39)19(5)27(36-30)12-24-16(2)17(3)25(34-24)14-29(21)35-26;/h7,12-15H,1,8-11H2,2-6H3,(H4,34,35,36,37,38,39,40,41);/q;+4/p-2/b24-12-,25-14-,26-13-,27-12-,28-13-,29-14-,30-15-,31-15-;