InChI=1S/C21H14O15/c22-7-1-4(19(30)31)10(15(27)12(7)24)11-5(20(32)33)3-9(14(26)16(11)28)36-18-6(21(34)35)2-8(23)13(25)17(18)29/h1-3,22-29H,(H,30,31)(H,32,33)(H,34,35)