1H-pyrrole-2,5-dione, 3-(1H-indol-3-yl)-4-(1-methyl-1H-imidazol-5-yl)- 3-(1H-indol-3-yl)-4-(1-methyl-1H-imidazol-5-yl)-1H-pyrrole-2,5-dione InChI=1/C16H12N4O2/c1-20-8-17-7-12(20)14-13(15(21)19-16(14)22)10-6-18-11-5-3-2-4-9(10)11/h2-8,18H,1H3,(H,19,21,22