InChI=1S/C25H24O12/c1-10-21(34-11(2)26)20(32)24(35-12(3)27)25(33-10)37-23-19(31)18-16(30)8-15(29)9-17(18)36-22(23)13-4-6-14(28)7-5-13/h4-10,20-21,24-25,28-30,32H,1-3H3