InChI=1S/C28H34O5/c1-15(21-14-25(2)27(4,33-25)24(30)31-21)16-7-9-18-17(12-16)8-10-20-19(18)13-23-28(32-23)11-5-6-22(29)26(20,28)3/h5-7,9,12,15,19-21,23-24,30H,8,10-11,13-14H2,1-4H3/t15-,19-,20-,21-,23-,24+,25-,26-,27+,28-/m0/s1