InChI=1S/C25H30O5/c1-18(10-8-11-19(2)13-15-23(26)27)9-6-7-12-21(4)25-22(30-25)17-20(3)14-16-24(28)29-5/h6-17,22,25H,1-5H3,(H,26,27)/b7-6+,10-8+,15-13-,16-14+,18-9-,19-11-,20-17-,21-12+