InChI=1S/C25H28O13/c1-35-24(34)18(10-13-3-5-14(27)16(29)8-13)36-20(30)7-4-12-2-6-15(28)17(9-12)37-25-23(33)22(32)21(31)19(11-26)38-25/h2-9,18-19,21-23,25-29,31-33H,10-11H2,1H3/b7-4-