InChI=1S/C30H25ClO8/c1-12-7-19(38-5)25(31)29(39-6)20(12)15-10-14(37-4)11-16-21(15)27(35)23-24(26(16)34)30(2,3)17-8-13(32)9-18(33)22(17)28(23)36/h7-11,32-33H,1-6H3