InChI=1S/C27H18O11S/c28-14-2-1-12-6-19(36-20(12)8-14)13-5-18(30)23-22(7-13)37-25-17-10-27(26(31)24(23)25,11-35-39(32,33)34)38-21-9-15(29)3-4-16(17)21/h1-9,17,28-30H,10-11H2,(H,32,33,34)