InChI=1S/C26H47NO2/c1-18(2)8-6-9-19(3)21-11-12-22-20-10-13-24(27-29)26(5,15-7-17-28)23(20)14-16-25(21,22)4/h18-23,28-29H,6-17H2,1-5H3/b27-24+/t19-,20+,21-,22+,23+,25-,26-/m1/s1