InChI=1S/C27H46/c1-19(2)9-8-10-20(3)23-14-15-24-22-13-12-21-11-6-7-17-26(21,4)25(22)16-18-27(23,24)5/h12,19-20,22-25H,6-11,13-18H2,1-5H3/t20-,22+,23-,24+,25+,26+,27-/m1/s1