InChI=1/C18H12N2O6S/c21-15-7-12(19-18-20(15)5-6-27-18)9-25-17(23)10-24-13-3-1-11-2-4-16(22)26-14(11)8-13/h1-8H,9-10H2 95E8FCB070721D9E