InChI=1S/C25H32Cl2O6/c1-3-13-31-24-22(28)25(30-4-2)33-23(24)21(32-15-18-7-11-20(27)12-8-18)16-29-14-17-5-9-19(26)10-6-17/h5-12,21-25,28H,3-4,13-16H2,1-2H3/t21-,22-,23-,24-,25?/m1/s1