InChI=1S/C26H45NO/c1-18(7-6-16-27(4)5)22-10-11-23-21-9-8-19-17-20(28)12-14-25(19,2)24(21)13-15-26(22,23)3/h8,18,20-24,28H,6-7,9-17H2,1-5H3/t18-,20+,21+,22-,23+,24+,25+,26-/m1/s1