InChI=1S/C30H32O7/c1-15(2)7-9-17-25(34)24-26(35)18-11-12-30(5,6)37-28(18)19(10-8-16(3)4)29(24)36-27(17)20-13-22(32)23(33)14-21(20)31/h7-8,11-14,31-33,35H,9-10H2,1-6H3