InChI=1S/C25H30O5/c1-19(9-6-10-20(2)15-17-24(28)29-5)11-7-13-22-25(4,30-22)18-8-12-21(3)14-16-23(26)27/h6-18,22H,1-5H3,(H,26,27)/b9-6-,13-7+,16-14-,17-15-,18-8+,19-11+,20-10-,21-12-