InChI=1S/C27H40O3/c1-18(2)7-6-8-19(3)21-9-10-22-24(21,4)13-12-23-25(5)14-11-20(28)17-26(25)15-16-27(22,23)30-29-26/h6,8,12,15-16,18-22,28H,7,9-11,13-14,17H2,1-5H3/b8-6+/t19-,20+,21-,22-,24-,25-,26-,27+/m1/s1