InChI=1S/C23H28O6/c1-12-13(2)20(21(24)25)28-23(14(12)3)29-22(26)15(4)16-6-7-18-11-19(27-5)9-8-17(18)10-16/h6-15,20,23H,1-5H3,(H,24,25)/t12-,13-,14+,15-,20-,23?/m0/s1