InChI=1S/C17H19ClN2O9/c18-5-1-2-6-7(4-20-8(6)3-5)13(9(19)15(24)25)28-17-12(23)10(21)11(22)14(29-17)16(26)27/h1-4,9-14,17,20-23H,19H2,(H,24,25)(H,26,27)