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