InChI=1S/C27H42O2/c1-17(2)18(3)7-6-8-19-10-12-23-22-11-9-20-15-21(28)16-25(29)27(20,5)24(22)13-14-26(19,23)4/h8,11,17,20-21,23-25,28-29H,3,6-7,9-10,12-16H2,1-2,4-5H3/b19-8+/t20-,21+,23-,24-,25+,26+,27-/m0/s1