InChI=1/C24H34O5/c1-20-13-7-3-2-4-8-16-22(26)19-23(27)17-11-5-9-14-21(25)15-10-6-12-18-24(28)29-20/h2,4-6,8-12,14,16,18,20-23,25-27H,3,7,13,15,17,19H2,1H3/b4-2+,10-6+,11-5+,14-9+,16-8+,18-12-/t20-,21+,22-,23-/s2