InChI=1S/C27H44O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-19-25(28)20-17-18-24-21-26(29)23-27(30)22-24/h6-7,9-10,21-23,25,28-30H,2-5,8,11-20H2,1H3/b7-6+,10-9+/t25-/m1/s1