InChI=1S/C30H22O10/c31-15-5-1-13(2-6-15)28-22(37)11-18-19(34)12-21(36)25(30(18)40-28)26-27(38)24-20(35)9-17(33)10-23(24)39-29(26)14-3-7-16(32)8-4-14/h1-10,12,22,28,31-37H,11H2/t22-,28+/m0/s1