InChI=1S/C26H23ClO7/c27-20(17-9-5-2-6-10-17)19(15-7-3-1-4-8-15)16-11-13-18(14-12-16)33-26-23(30)21(28)22(29)24(34-26)25(31)32/h1-14,21-24,26,28-30H,(H,31,32)