InChI=1S/3C20H21N3O3.Fe/c3*1-12(2)8-9-14-6-5-7-16-15(11-21-18(14)16)10-17-19(26-4)22-13(3)20(24)23(17)25;/h3*5-9,11,21,25H,1,10H2,2-4H3;/b3*9-8+;