InChI=1S/C30H18O10/c31-10-11-7-14-20(12-3-1-5-17(32)22(12)27(36)24(14)19(34)8-11)21-13-4-2-6-18(33)23(13)28(37)25-15(21)9-16(30(39)40)26(35)29(25)38/h1-10,20-21,32-35,38H,(H,39,40)