InChI=1S/C28H32O7/c1-13(2)7-8-17-20(29)9-14(3)21(23(17)31)25(32)35-24-18-10-16-11-27(5,26(33)34)12-19(16)28(18,6)15(4)22(24)30/h7,9,16,19,29,31H,4,8,10-12H2,1-3,5-6H3,(H,33,34)