InChI=1/C28H22Cl2O4/c1-18-12-26(10-11-27(18)34-17-28(31)32)33-16-19-13-22(20-2-6-24(29)7-3-20)15-23(14-19)21-4-8-25(30)9-5-21/h2-15H,16-17H2,1H3,(H,31,32)/p-1/fC28H21Cl2O4/q-1 1CA9E129FA2DDB33