InChI=1S/C28H40O2/c1-18(2)28(6,30)16-11-19(3)23-9-10-24-22-8-7-20-17-21(29)12-14-26(20,4)25(22)13-15-27(23,24)5/h7-8,11,16-19,23,25,30H,9-10,12-15H2,1-6H3/t19-,23-,25+,26+,27-,28?/m1/s1