InChI=1S/C24H22O13/c25-14-9-11(5-7-17(26)27)4-6-15(14)36-16(22(31)32)10-12-2-1-3-13(8-12)35-24-20(30)18(28)19(29)21(37-24)23(33)34/h1-10,18-21,24-25,28-30H,(H,26,27)(H,31,32)(H,33,34)/b7-5+,16-10-