InChI=1S/C25H34O5/c1-15-6-9-18-16(2)12-22(20(14-19(15)18)25(3,4)28)30-24(27)11-8-17-7-10-21(26)23(13-17)29-5/h7-8,10-11,13,15,19-20,22,26,28H,6,9,12,14H2,1-5H3/b11-8+/t15-,19-,20-,22-/m0/s1