InChI=1S/C30H30O7/c1-13(2)7-8-15-25-14(9-10-29(3,4)36-25)23(33)22-24(34)16-11-17-20-21(27(16)35-26(15)22)18(31)12-19(32)28(20)37-30(17,5)6/h7,9-10,12,17,31-33H,8,11H2,1-6H3