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