InChI=1S/C23H27Cl2N3O4/c1-16(29)27-8-10-28(11-9-27)18-3-5-19(6-4-18)30-13-20-14-31-23(15-26,32-20)21-7-2-17(24)12-22(21)25/h2-7,12,20H,8-11,13-15,26H2,1H3