InChI=1S/C27H42O2/c1-18(2)19(3)6-5-7-20-9-11-24-23-10-8-21-16-22(29)12-15-27(21,17-28)25(23)13-14-26(20,24)4/h7,10,18,21-22,24-25,28-29H,3,5-6,8-9,11-17H2,1-2,4H3/b20-7+/t21-,22-,24-,25-,26+,27+/m0/s1