InChI=1S/C22H23ClN2O8/c1-21(15-10(23)4-5-11(26)13(15)20(31)33-21)8-6-9-16(25(2)3)17(28)14(19(24)30)18(29)22(9,32)12(27)7-8/h4-5,8-9,16,26,29,32H,6-7H2,1-3H3,(H2,24,30)