InChI=1S/C31H26O11/c1-12-6-16(32)26-28(36)22-15(9-14(38-3)10-19(22)39-4)23(30(26)41-12)25-17(33)7-13-8-20-24(18(34)11-31(2,37)42-20)27(35)21(13)29(25)40-5/h6-10,33,35-37H,11H2,1-5H3