InChI=1S/C21H23ClN2O9/c1-24(2)13-6-5-20(32)12(14(26)10-8(25)4-3-7(22)9(10)16(20)28)18(30)21(6,33)17(29)11(15(13)27)19(23)31/h3-4,6,11,13,15-16,25,27-28,30,32-33H,5H2,1-2H3,(H2,23,31)/t6?,11?,13?,15?,16?,20?,21-/m1/s1