InChI=1S/C26H23Cl2NO6/c1-33-22-12-17(27)5-2-15(22)8-10-29-25(30)16-3-6-18(7-4-16)35-24-14-23-20(13-21(24)28)19(26(31)32)9-11-34-23/h2-7,12-14,19H,8-11H2,1H3,(H,29,30)(H,31,32)/t19-/m0/s1