InChI=1S/C25H34O7/c1-4-8-24(30)31-20-11-17-16-6-5-14-10-15(27)7-9-22(14,2)21(16)18(28)12-23(17,3)25(20,32-24)19(29)13-26/h7,9-10,16-18,20-21,26,28,30H,4-6,8,11-13H2,1-3H3/t16-,17-,18-,20+,21+,22-,23-,24?,25+/m0/s1