InChI=1S/C33H32N4O5.Fe/c1-6-20-16(2)26-13-31-23(15-38)19(5)25(37-31)11-24-17(3)21(7-9-32(39)40)29(35-24)14-30-22(8-10-33(41)42)18(4)27(36-30)12-28(20)34-26;/h6,11-15,20,38H,1,7-10H2,2-5H3,(H,39,40)(H,41,42);/q-4;+4/b23-15-,24-11-,28-12-,29-14-,31-13-;/t20-;/m1./s1