InChI=1S/C28H47NO/c1-18(2)19(3)7-8-20(4)24-13-16-29-26-23-10-9-21-17-22(30)11-14-27(21,5)25(23)12-15-28(24,26)6/h18-22,24,30H,7-17H2,1-6H3/t19?,20-,21?,22+,24?,27+,28-/m1/s1