InChI=1S/C21H20O15/c22-6-3-8(24)7(23)1-5(6)2-10(26)13(27)12-9(25)4-11(14(28)15(12)29)35-21-18(32)16(30)17(31)19(36-21)20(33)34/h1,3-4,16-19,21-25,28-32H,2H2,(H,33,34)