InChI=1S/C24H16N2O3S/c27-30(28,29)22-15-21(17-9-5-2-6-10-17)20-12-11-19-18(16-7-3-1-4-8-16)13-14-25-23(19)24(20)26-22/h1-15H,(H,27,28,29)