InChI=1S/C24H30Cl2O4/c1-6-11-20(15(4)5)29-22(27)24(7-2,8-3)23(28)30-21-17-13-10-9-12-16(17)18(25)14-19(21)26/h9-10,12-15,20H,6-8,11H2,1-5H3