InChI=1S/C28H40O7/c1-16(12-18(3)25-20(5)24(30)21(6)27(33)34-25)11-17(2)13-23(26(31)32)9-8-10-28(15-29)14-19(4)22(7)35-28/h11,13-14,18,22-23,29-30H,8-10,12,15H2,1-7H3,(H,31,32)/t18?,22-,23?,28+/m0/s1