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