InChI=1/C24H18N2O4S/c27-21(17-9-3-1-4-10-17)26(18-11-5-2-6-12-18)24(31)30-16-15-25-22(28)19-13-7-8-14-20(19)23(25)29/h1-14H,15-16H2 77BC1E64E8594AA0