InChI=1S/C25H30O5/c1-20(11-7-12-22(3)15-18-25(29)30-4)9-5-6-10-21(2)13-8-14-23(19-26)16-17-24(27)28/h5-18,26H,19H2,1-4H3,(H,27,28)/b6-5+,11-7-,13-8+,17-16-,18-15-,20-9+,21-10-,22-12-,23-14+