InChI=1S/C25H34O4/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(26)25-23(27)19-21(29-2)20-24(25)28/h4-5,7-8,10-11,13-14,19-20,27-28H,3,6,9,12,15-18H2,1-2H3/b5-4-,8-7-,11-10-,14-13-