InChI=1S/C25H40/c1-17(2)8-7-9-18(3)22-14-15-25(6)16-23-20(5)10-12-21(23)19(4)11-13-24(22)25/h8,11,16,18,20-22,24H,7,9-10,12-15H2,1-6H3/t18-,20-,21+,22+,24-,25+/m0/s1