InChI=1S/C30H22O12S/c1-11-5-15-22(17-8-13(31)9-20(34)25(17)28(36)24(15)19(33)6-11)21-14-3-2-4-18(32)23(14)29(37)26-16(21)7-12(27(35)30(26)38)10-42-43(39,40)41/h2-9,21-22,31-35,38H,10H2,1H3,(H,39,40,41)