InChI=1S/C30H20O13S/c31-17-3-1-2-13-21(15-6-11(10-43-44(40,41)42)7-19(33)24(15)28(36)23(13)17)22-14-4-5-18(32)27(35)26(14)29(37)25-16(22)8-12(30(38)39)9-20(25)34/h1-9,21-22,31-35H,10H2,(H,38,39)(H,40,41,42)