InChI=1S/C29H22Cl3NO4/c30-23-2-1-3-24(31)26(23)27-22(28(37-33-27)16-6-7-16)14-36-18-10-11-19(25(32)12-18)21-13-20(21)15-4-8-17(9-5-15)29(34)35/h1-5,8-12,16,20-21H,6-7,13-14H2,(H,34,35)/t20-,21-/m1/s1