InChI=1S/C28H48O2/c1-18(2)7-6-8-19(3)22-11-12-23-20-9-10-24-21(17-29)26(30)14-16-28(24,5)25(20)13-15-27(22,23)4/h18-19,21-24,26,29-30H,6-17H2,1-5H3/t19?,21-,22?,23?,24?,26-,27+,28-/m0/s1