InChI=1S/C21H18ClNO10/c1-20(32)6-4-7-14(26)16(28)12(19(31)23-5-24)18(30)21(7,33)17(29)10(6)15(27)11-9(25)3-2-8(22)13(11)20/h2-3,6-7,24-25,28-29,32-33H,4-5H2,1H3,(H,23,31)/t6-,7-,20-,21-/m0/s1